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Acta Metall Sin  1983, Vol. 19 Issue (4): 117-120    DOI:
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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)
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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). EFFECT OF TRACE SULPHUR ON HOT PLASTICITY OF HIGH SPEED STEELS. Acta Metall Sin, 1983, 19(4): 117-120.

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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.
Received:  18 April 1983     

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https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1983/V19/I4/117

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