INFLUENCE OF AUSTENITIC DENDRITES ON MECHANICAL PROPERTIES OF DUCTILE IRON

Acta Metall Sin

1992, Vol. 28

Issue (3): 92-94 DOI:

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INFLUENCE OF AUSTENITIC DENDRITES ON MECHANICAL PROPERTIES OF DUCTILE IRON

ZHOU Jiyang;XIE Zuhua;ZHONG Fengqi Dalian University of Technology

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ZHOU Jiyang;XIE Zuhua;ZHONG Fengqi Dalian University of Technology. INFLUENCE OF AUSTENITIC DENDRITES ON MECHANICAL PROPERTIES OF DUCTILE IRON. Acta Metall Sin, 1992, 28(3): 92-94.

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Abstract Impact toughnese of ductile nodular cast iron loaded perpendicular to theaustenitic dendrites is found to be 43% higher than thatparallel to ones. Yet tensile strength andelongation of the former are 23% and 30% lower than the later respectively. It is believed thatthe dendritic segregation may cause such differences.

Key words: ductile iron austenitic dendrite mechanical property

Received: 18 March 1992

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1992/V28/I3/92

1 周继扬,谢祖华,钟凤琪.铸造,1991;(3) :9--14
2 Gagne M, Goller R. Trans Am Foundrymen's Soc, 1983; 91: 37--46
3 Barton R. Giesserei, 1978; 65: 294--301{

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