Effects of S on Solidification Segregation and Hot Plasticity of Hastelloy C-4 Alloy

Li Xiaobo

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Effects of S on Solidification Segregation and Hot Plasticity of Hastelloy C-4 Alloy
Issue 6, Pages: 24-25(2003)
Published： 2003 ，
DOI：

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[1]李小波.S对Hastelloy C-4合金凝固偏析及热塑性的影响[J].特种铸造及有色合金,2003(06):24-25+68.

Li Xiaobo. Effects of S on Solidification Segregation and Hot Plasticity of Hastelloy C-4 Alloy. [J]. Special Casting & Nonferrous Alloys (6):24-25(2003)
[1]李小波.S对Hastelloy C-4合金凝固偏析及热塑性的影响[J].特种铸造及有色合金,2003(06):24-25+68. DOI：

Li Xiaobo. Effects of S on Solidification Segregation and Hot Plasticity of Hastelloy C-4 Alloy. [J]. Special Casting & Nonferrous Alloys (6):24-25(2003) DOI：

摘要

采用金相探针法和高温拉伸试验研究S对HastelloyC 4合金凝固偏析及热塑性的影响。结果表明

随着S含量的增加

导致固液两相区、温度范围和偏析程度明显加大

引起合金的热塑性降低。因此

降低合金S的偏析有利于合金的锻造性能。

Abstract

Effects of S on solidification segregation and hot plasticity of Hastelloy C 4 alloy were examined by electron probe and hot tensile test. The results showed that the solid liquid phase zone

temperature interval and segregation degree may be obviously enlarged with increasing S content so as to reduce the hot plasticity of the alloy. Therefore

the decrease in S content in the alloy is beneficial to the forging performance of the alloy.