微量硫对高速钢热塑性的影响

金属学报

1983, Vol. 19

Issue (4): 117-120

论文

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微量硫对高速钢热塑性的影响

罗迪;邢国华;邹惠良

冶金工业部钢铁研究总院;冶金工业部钢铁研究总院;上海测试技术研究所

EFFECT OF TRACE SULPHUR ON HOT PLASTICITY OF HIGH SPEED STEELS

by LUO Di; XING Guohua (Central Iron and Steel Research Institute. Ministry of Metallurgical Industry; Beijing); ZOU Huiliang (Shanghai Institute of Test Technics) (Manuscript received 20 January; 1982; revised manuscript 3 January; 1983)

引用本文:

罗迪;邢国华;邹惠良. 微量硫对高速钢热塑性的影响[J]. 金属学报, 1983, 19(4): 117-120.
, , . EFFECT OF TRACE SULPHUR ON HOT PLASTICITY OF HIGH SPEED STEELS[J]. Acta Metall Sin, 1983, 19(4): 117-120.

全文: PDF(283 KB)

摘要: 本文研究了微量硫对W14Cr4VMn高速钢热塑性的影响:热扭转实验证实微最硫仍能危害钢的热塑性;Auger能谱仪实验发现,即使钢中的硫含量降低到0.002wt-％时,硫仍偏聚在晶界上。本文讨论了硫偏聚和微量硫危害热塑性的原因。

Abstract：The effect of trace S on the hot plasticity of high speed steels has been examined. It was shown that the S content in W14Cr4VMn steel decreased from 0.01％ down to a possible lowest limit of 0.002％ the number of cycles of the hot torsion test increases about 20％ under 950-1150℃. This indicates that the hot plasticity of the high speed steels may be deteriorated even if a trace S contained. AES was observed that the S segregation occurs along the austenite grain boundaries. The reason of the S segregation and its deterioration on the hot plasticity of the steels has also been discussed.

收稿日期: 1983-04-18

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