Lattice orientation relationship between the M2C carbide and the ferrite matrix in the M50NiL bearing steel期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Lattice orientation relationship between the M2C carbide and the ferrite matrix in the M50NiL bearing steel

Authors:	S. G. Song H. Du E. Y. Sun

Affiliation:	(1) Materials and Processing, United Technologies Research Center, 06108 East Hartford, CT;(2) the Mechanical Systems Product and Module Center, Pratt & Whitney, 06108 East Hartford, CT

Abstract:	The morphology and crystallography of M₂C carbide precipitates in the ferrite matrix in M50NiL alloy were investigated using transmission electron microscopy (TEM). A new orientation relationship (OR), (010)_α // and [100]_α // $(2overline {11} 0)_C$ between the carbide and the matrix was determined. The observed OR leads to a small lattice misfit on the matching planes between the two phases. Results of TEM studies of the particle morphology and electron diffraction of the carbide are consistent with the proposed OR.

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