Study on the Grind-Hardening of the Loader Clevis Pin

Ju Dong Liu; Jie Zhen Zhuang; Zhi Long Xu

doi:10.4028/www.scientific.net/KEM.621.140

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 621Study on the Grind-Hardening of the Loader Clevis...

Study on the Grind-Hardening of the Loader Clevis Pin

Abstract:

On the basis of the cylindrical plunge grinding and intermittent axial feed grinding experiment, the grind-hardened layer structure and its property of the loader clevis pin were studied. The result shows that there are some arc shape medium/high-temperature tempered zones and some annular unhardened zone in external circumference surface, which is result of temperature gradient, induced grinding heat when circumferential feed and axial grinding heat conduction. The microstructure of hardened zone is mixture martensite, and the microstructure of tempered zone is tempered martensite and troostite. Different structure zone has same microhardness distribution regulation, but the microhardness of hardened zone can reach 640HV0.5. The loader clevis pin processed by grind-hardening meets the property request for working.

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Periodical:

Key Engineering Materials (Volume 621)

Pages:

140-145

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.621.140

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Online since:

August 2014

Authors:

Ju Dong Liu, Jie Zhen Zhuang, Zhi Long Xu

Keywords:

Clevis Pin, Grinding, Microhardness, Microstructure, Surface Hardening

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