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Your search keyword '"FU, HANGUANG"' showing total 2 results
Start Over Author "FU, HANGUANG" Topic microstructure Journal tribology international
2 results on '"FU, HANGUANG"'

1. Wear behavior of CADI obtained at different austenitizing temperatures

Author

Yang Penghui, Zhao Xiang-wei, Lin Jian, Lei Yongping, and Fu Hanguang

Subjects
Austenite, Materials science, Mechanical Engineering, Metallurgy, Abrasive, 02 engineering and technology, Surfaces and Interfaces, 021001 nanoscience & nanotechnology, Microstructure, Surfaces, Coatings and Films, Carbide, 020303 mechanical engineering & transports, 0203 mechanical engineering, Mechanics of Materials, Ultimate tensile strength, Graphite, Deformation (engineering), 0210 nano-technology, human activities, Austempering
Abstract

The microstructure, mechanical properties and wear resistance of carbidic austempered ductile iron (CADI) obtained at different austenitizing temperatures were investigated. The dry sliding wear failure mechanism in block-on-ring tester and erosive wear failure mechanism of CADI in the slurry of pH = 4, pH = 10 were analyzed. The results show that with the increase of austenitizing temperature, the hardness and tensile strength of CADI first increase and then decrease, and the wear loss decreases first and then increases. The shedding of carbides in corrosive media and the deformation of the matrix around the graphite nodules are the main failure mechanisms in corrosive wear. In addition, abrasive wear and adhesive wear are the main failure mechanism under dry sliding wear condition.

Published
2019

2. Effect of casting thickness on microstructure, mechanical properties and abrasion resistance of Fe-B cast alloy.

Author

Yi, Yanliang, Xing, Jiandong, Yu, Langlang, Fu, Hanguang, Wan, Mingjia, Lu, Yafang, Jian, Yongxin, Zheng, Qiaoling, and Chen, Ya

Subjects
*MECHANICAL properties of metals, *MICROSTRUCTURE, *ALLOY analysis, *COPPER alloys, *COMPOSITE materials
Abstract

Effects of casting thickness on microstructure, mechanical properties and abrasion resistance of Fe-B cast alloy have been systematically investigated. The results show that the microstructures of as-cast Fe-B alloy mainly consist of martensite, pearlite and M 2 B; with increasing of casting thickness, the V m / V p (where V p shows volume fraction of pearlite and V m shows volume fraction of martensite) decreases, while the morphology, composition and V b (volume fraction of boride) of Fe-B alloy are nearly unchanged. Moreover, with increasing of casting thickness, the microhardnesses of martensite, pearlite and M 2 B have little change, while the bulk hardness of as-cast Fe-B alloy decreases in a line relationship (y = −0.33x+64.67) owning to the decreasing of V m / V p . During wear process, the predominant wear mechanism of as-cast Fe-B alloy may change from microcutting to microploughing with decreasing V m / V p , resulting in the more and more boride being crushed by F ⊥ . As a result, the wear weight loss of Fe-B increases (i.e. the abrasion resistance decreases) with the decreasing of V m / V p , indicating that the V m / V p has positive influence on abrasion resistance of Fe-B cast alloy. [ABSTRACT FROM AUTHOR]

Published
2018
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