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To solve the environmental pollution and harm to human health caused by the use of adhesives in traditional paperboard, the development of environmentally friendly mycelium paperboard has become a hot topic. Due to the high dipole moment and hydrogen bonding between macromolecules, hyphae can form clamp shaped connection structures for nutrient reproduction and transfer, and can grow on natural agricultural waste, forming a natural biocomposite material. This study determined the combination of Ganoderma weberianum/corn straw, and designed single factor cultivation conditions such as cultivation time, straw particle size, and fructose addition to explore the effects on the mechanical properties, waterproof properties, and thermal decomposition performance of the hyphal paperboard formed by hot pressing. The optimal cultivation process was obtained through orthogonal experiments. The experimental results indicate that various factors have varying degrees of influence on the edgewise strength, flexural stiffness, and static bending strength and waterproofness of paperboard. Firstly, when the cultivation time was 30 days, the flexural stiffness reached 16.63 mN/m, which was 21.2% higher than the flexural stiffness of kraft paper (13.10 mN/m). Moreover, with the increase of cultivation time, the water absorption (24 hours) had also decreased from 3.92% to 1.27%. Secondly, previous research results have shown that the addition of fructose, glucose, and sucrose increases the biomass growth rate of strains. In this study, fructose was chosen as an exogenous nutrient, and the results showed that when a mass fraction of 5% fructose was added, the mechanical properties were the best, with a flexural stiffness of 18.87 mN/m, which was 30.5% higher than that of kraft paper (13.10 mN/m). Thirdly, the particle size of the sbstrate has a significant impact on the appearance and properties of the material. The results show that, from the appearance perspective, the mycelium paperboard made of 0.165～0.250 mm particle size has the closest appearance and feel to kraft paper. At the same time, during the testing period, it was found that the mycelium paperboard made of 0.165～0.250 mm straw was the least prone to deformation and loosening, and the molding effect was significantly improved compared to other components. In terms of mechanical properties, the edgewise strength increased by 17.4%, the static bending strength increased by 14.9%, and the flexural stiffness increased by 57.3%. The experimental results show that the degree of influence of various factors on the edgewise strength, flexural stiffness, and static bending strength of paperboard is in the order of particle size, cultivation time,fructose addition amount. When the particle size is 0.165～0.250 mm, the cultivation time is 30 days, and the fructose addition of 5.0%, the edgewise strength of the prepared paperboard is 14.36 N/mm, the static bending strength is 10.89 MPa, and the flexural stiffness is 33.09 mN/m. As the particle size decreases, the water absorption rate and water thickness expansion rate of the paperboard after 24 hours of water absorption decrease to 0.86% and 0.59%. The mycelium paperboard prepared by different single factors has the same thermal decomposition process, starting at around 150 ℃ and reaching its maximum at 350 ℃. This study provides a reference basis for the development and application of mycelium composite materials in the future. [ABSTRACT FROM AUTHOR]

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Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Abstract With soft-touch, lightweight, excellent temperature resistance and insulating performance, aramid mica paper is widely used in special motors 'transformers and other electrical equipments. In this paper, aramid mica paper was prepared by using white mica, meta-aramid chopped fiber and meta-aramid fibrid as skeleton and bonding components respectively. The effects of aramid fibers ratio, dispersant dosage, mica content and mica particle size on mechanical properties, insulating properties, micro-structure and temperature resistance of paper were studied. The results showed that the optimal process parameters were as follows: the mass ratio of fibrid to chopped fiber was 7:3 the amount of PEO was 0.5wt%, the mass fraction of mica was 50 wt%, and the size of mica was 120~150μm. [ABSTRACT FROM AUTHOR]

Copyright of Plastics Science & Technology / Suliao Ke-Ji is the property of Plastics Science & Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of China Pulp & Paper is the property of China Pulp & Paper Magazines Publisher and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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The continuous upgrading of the automobile industry has put forward higher requirements for the performance and lightweight effect of aluminum alloys. Heat treatment is an effective way to improve the performance of aluminum alloy, but how to obtain the optimal combination of heat treatment process parameters is an urgent problem. In this paper, the influence of heat treatment process parameters (solution temperature, solution time, aging temperature, aging time) on mechanical properties was systematically studied, and the relationship model between mechanical properties and heat treatment process parameters was established. The micromorphology under different process parameters were analyzed by ESDB and SEM. The results show that when the solution temperature was 530 ℃, the solution time was 1 h, the aging temperature was 170 ℃, and the aging time was 6 h, the mechanical property of 6082 aluminum alloy profiles was the best. The yield strength was 313 MPa, the tensile strength was 350 MPa, and the elongation after break was 13.21%. The relationship model between Y value (yield strength, tensile strength, and elongation after fracture) and key process factors was established, in which the solution temperature had the greatest influence. When the solution temperature was 530 ℃, the grain size was the smallest, and the mechanical properties of the precipitated fine Mg2Si phase and Al(FeMnSi) phase were the best, and the tensile fracture was mainly the dimpled fracture. This paper provides theoretical basis and practical guidance for the optimization of heat treatment process parameters of aluminum alloy profiles. [ABSTRACT FROM AUTHOR]

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Copyright of Acta Materiae Compositae Sinica is the property of Acta Materiea Compositae Sinica Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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In this paper, the effects of four different types of nucleating agents, namely, α-nucleating agent CH-6N, HPN-715, TMP-7 and β-nucleating agent TMB-5, as well as the effects of compounding of different types of nucleating agents on the mechanical, optical and crystalline properties of polypropylene were investigated. The results show that the nucleating agent can effectively increase the crystallization temperature and crystallinity. α-nucleating agent CH-6N has the best rigidity effect. The bending modulus and bending strength of polypropylene are 2 390 MPa and 60.6 MPa respectively with the addition of 0.2% CH-6N. The α nucleating agent can reduce the toughness of polypropylene. Adding 0.2% CH-6N, the impact strength of polypropylene is only 2.7 kJ/m². The β -nucleating agent TMB-5 can effectively improve the toughness of polypropylene, but reduce the rigidity. The toughening effect of 0.1 % TMB-5 is the best. The impact strength of polypropylene is 20.7 kJ/m2, and the elongation at break is 530%. In terms of optical properties, α nucleating agent CH-6N has the best modification effect, and after the addition of 0.1% CH-6N, the yellow index of polypropylene is only 0.46. The combination of α nucleating agent and β nucleating agent can not only improve the toughness of polypropylene, but also improve its rigidity, and achieve the balance of rigidity-toughness. The compound modification effect of 0.1% CH-6N and 0.1% TMB-5 is good, and the impact strength of polypropylene is 5.5 kJ/m², the bending modulus is 2 140 MPa, and the tensile strength is 41.1 MPa. [ABSTRACT FROM AUTHOR]

Copyright of New Building Materials / Xinxing Jianzhu Cailiao is the property of New Building Materials Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Iron Steel Vanadium Titanium is the property of Iron Steel Vanadium Titanium Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Metal Working (1674-165X) is the property of Metal Working Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Plastics Science & Technology / Suliao Ke-Ji is the property of Plastics Science & Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of New Building Materials / Xinxing Jianzhu Cailiao is the property of New Building Materials Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Foundry Technology (1000-8365) is the property of Foundry Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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In order to explore the influence of different working conditions on the mechanical properties of dovetail joints, in this paper, the "Qing Dynasty Engineering Rules" of the Ministry of Qing Dynasty and "Wood Construction Technology of Ancient Chinese Buildings" were used as the weighing standards, using the results of wood properties tests conducted by other scholars as a reference, the numerical simulation of pseudo-static load was carried out on the dovetail joints of Qing Dynasty based on the finite element software ABAQUS. The influence of different angles outside the plane of tenon, different materials, different axial loads, and different load positions on the mechanical properties of dovetail tenon joints was investigated. The results showed that: 1) The hysteretic curves of dovetail mortise and tenon are all inverted z-shape. 2) The maximum bending moments at dovetail joints were 0.896, 0.914 kN·m and 0.979 kN·m when the lateral angles of the Fangs were 0°, 1.41° and 2.82°, respectively. When the axial load at the top of the column increases from 0 to 50 kN, the two-way maximum bending moments of dovetail joints change from 0.896 kN·m and 0.523 kN·m to 2.680 kN·m and 5.129 kN·m respectively. The two-way yield moment changed from 0.823 kN·m and 0.473 kN·m to 2.366 kN·m and 4.172 kN·m respectively. When the axial load at the top of the column increases from 50 kN to 100 kN, the changes of the two-way maximum bending moment and yield bending moment do not exceed 1%. 3) The peak viscous damping coefficients of dovetail joints corresponding to horizontal displacements of 0, 25 mm, and 50 mm applied on the beam side are 22.05%, 28.50%, and 29.38%, respectively. [ABSTRACT FROM AUTHOR]

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Copyright of Foundry Technology (1000-8365) is the property of Foundry Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Journal of Atomic & Molecular Physics (1000-0364) is the property of Journal of Atomic & Molecular Physics Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Acta Materiae Compositae Sinica is the property of Acta Materiea Compositae Sinica Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Chinese Journal of High Pressure Physics is the property of Chinese Journal of High Pressure Physics Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

As a multifunctional filler, carbon materials play an important role in enhancing the comprehensive properties of polypropylene composites. However, it is an important task to balance the relationship between the amount of different carbon materials and the formability and functionality of composite products. In this paper, the properties of carbon fiber, carbon nanotube and graphene, and the effects of these carbon materials on the mechanical, thermal and electrical properties of polypropylene-based multi-scale composites are discussed respectively. It is pointed out that it is a challenging research direction to prepare polypropylene composites filled with high content and hybrid carbon materials by melt deposition 3D printing process in the future. [ABSTRACT FROM AUTHOR]