EFFECT OF CARBON CONTENT ON PROPERTIES OF SLACK-QUENCHED RAILS

Acta Metall Sin

1992, Vol. 28

Issue (3): 45-48 DOI:

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EFFECT OF CARBON CONTENT ON PROPERTIES OF SLACK-QUENCHED RAILS

ZHOU Qingyue;WANG Shuqing;SHAO Yangdao;NIE Shufan;ZHOU Zhenguo China Academy of Railway Sciences; Beijing

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ZHOU Qingyue;WANG Shuqing;SHAO Yangdao;NIE Shufan;ZHOU Zhenguo China Academy of Railway Sciences; Beijing. EFFECT OF CARBON CONTENT ON PROPERTIES OF SLACK-QUENCHED RAILS. Acta Metall Sin, 1992, 28(3): 45-48.

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Abstract A comparative investigation was carried out of the routine mechanical properties, fracturetoughness, microstructure and hardness of slack--quenched rails containing different carbon contents. After therails slack--quenched, their strength and toughness, together with ductility, are obviously improved, and thehigher the quench hardening is, the more the resistance to wear and shell will be. Discussion was also made ofthe reason for this improvement and of the effect of carbon content and quench hardening on the properties ofrails in combination with the rail--laying trial.

Key words: carbon content slack-quenched rail property

Received: 18 March 1992

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1992/V28/I3/45

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