PRE-TREATMENTS TO ENHANCE GRAPHITIZATION IN A LOW ALLOY STRUCTURAL STEEL.

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作者：
Fujihira, Akio
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Nippon Kinzoku Gakkai-si | 1979年 / 43卷 / 07期
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摘要：
To achieve rapid graphitization in a low alloy structural steel, the effects of pre-quenching, pre-cold rolling and graphitization temperatures on the graphitization rate were studied by dilatometric measurements and optical microscopic observations. The time required 1300 degree 50% graphitization showed the characteristic C curve behavior with a changing graphitization temperature, and the noses of the C curves, i. e. the temperatures of the highest graphitizing rate, were in the range of 923-973 K. The effects of pre-quenching were remarkable and rather complex.
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页码：640 / 646
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