Effects of cold rolling on precipitates in inconel 718 alloy |
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| Authors: | Li Rongbin He Xianchang Yao Mei Liu Wenchang |
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| Affiliation: | (1) State Key Laboratory of MMCM’s, Shanghai Jiaotong University, 200030 Shanghai, China;(2) Institute of Materials Science, Yanshan University, 066004 Qinghuangdao, China |
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| Abstract: | The morphology, microstructure, and the volume fractions of γ″ phase and δ phase that occur during cold rolling and double
aging of Inconel 718 alloy were investigated. Two treatments were developed to produce either single-pass cold rolling or
double-pass cold rolling. Cold rolling not only induced the γ″ phase precipitation, but also prompted the γ″→δ phase transformation.
Double-pass cold rolling enhanced the δ phase volume fraction, but decreased the γ″ phase volume fraction. The dimension of
γ″ particle decreased as cold rolling reduction increased. |
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| Keywords: | cold rolling Inconel 718 precipitates |
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