Microstructure and Wear Properties of GCr15 Alloy Produced by Equal Channel Angular Extrusion

Guo Quan Xiang; Min Xin Zheng; Lian Qing Ji

doi:10.4028/www.scientific.net/AMR.211-212.661

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 211-212Microstructure and Wear Properties of GCr15 Alloy...

Microstructure and Wear Properties of GCr15 Alloy Produced by Equal Channel Angular Extrusion

Abstract:

GCr15 alloy produced by hot-forged is subjected to equal channel angular extrusion (ECAE) process at 950°C. The microstructure of GCr15 steel via ECAE and annealed is studied by an optical microscope. The effect of ECAE and annealing on the wear properties of the alloy is also investigated. The results show that the grain size reduced from 50 mm to 10 mm via one pass ECAE, and the hardness of the alloy is increased. The wear mass loss of the alloy is greatly reduced due to the grain-refinement after ECAE and annealing.

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Periodical:

Advanced Materials Research (Volumes 211-212)

Pages:

661-665

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.211-212.661

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Online since:

February 2011

Authors:

Guo Quan Xiang, Min Xin Zheng, Lian Qing Ji

Keywords:

Dry-Sliding, ECAE, Fine-Grained GCr15, Wear Property

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