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xin can shu |(dx_p)/(dl)| yu cai liao ren cui guan xi de yan jiu
Author(s): 
Pages: 1-7
Year: Issue:  4
Journal: Materials Science and Technology

Keyword:  磷偏聚浓度梯度磷晶界偏聚量磷晶界高集率沿晶开裂解理断裂韧脆转变温度回火脆性;
Abstract: 本文通过一系列AES试验、拉伸以及冲击试验,提出了与钢材回火脆性、沿晶脆断及韧脆转变温度有密切关系的新参数——磷偏聚浓度梯度|(dX_p)╱(dL)|。本文建议对于材料的脆性断裂不仅要考虑磷晶界偏聚量X_p~,而且还要考虑|(dX_p)╱(dL)|值和磷晶晶界富集率β_p值。
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