MSSBAUER INVESTIGATION ON QUENCHED STRUCTURES OF 40CrNiMo STEEL

Acta Metallurgica Sinica (English Letters) ›› 1989, Vol. 2 ›› Issue (8): 138-142.

• Research paper • Previous Articles Next Articles

MSSBAUER INVESTIGATION ON QUENCHED STRUCTURES OF 40CrNiMo STEEL

Received:1989-08-11 Revised:1989-08-11 Online:1989-08-11 Published:2009-10-10

Abstract

Abstract: The martensite microstructure,amount of retained austenite and its carbon concentration in the 40CrNiMo steel quenched at various conditions have been investigated by using trans- mission Mossbauer spectroscopy at room temperature.It was shown that high-temperature quenching and thermomechanical quenching has little influence on amount of retained austenite,thus the toughening effect of quenching was attributed to bulk lath martensite and its refining.

Key words: 40CrNiMo steel, retained austenite, Mssbauer spectroseopy

XU Zuxiong MA Ruzhang ZHU Yongquan ZHAO Zhongtao FENG Yongrong Beijing University of Science and Technology,Beijing,China [Originally published in ACTA METAIL SIN (CHINESE EDN) 24 (5) 1988 pp B364—B368,received 24 January 1987;in revised form 27 November 1987]. MSSBAUER INVESTIGATION ON QUENCHED STRUCTURES OF 40CrNiMo STEEL[J]. Acta Metallurgica Sinica (English Letters), 1989, 2(8): 138-142.

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MSSBAUER INVESTIGATION ON QUENCHED STRUCTURES OF 40CrNiMo STEEL

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