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Abstract：
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In order to develop the forged high manganese steel core rail combined frog with high quality and low cost,the research had been done on the forging process for high-manganese steel cast.By testing method,which included heating-up and observing metallic-phase and different forging-ratio analyzing results on the different kinds of high-manganese steel casting samples,the conclusion of high-manganese steel cast forging process was made.The conclusion includes the details of the scope of forging-temperature,the value of forging-ratio,the effect on the quality of the forged-piece exposed time in the air before the forged cast being put in to the direct waterpliable handling and correct settling time.The result above indicates that high-manganese steel cast ingot can be forged and the combined frog core rail can be made by forging high-manganese steel.The development of forged high-manganese-steel-core rail combined frog can be realized.By forging,the internal bugs in the founding procedure can be eliminated so as to improve the running characteristics and extend the service life of combined frog.
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AuthorIntro：
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Reference：
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[1]张增志.耐磨高锰钢[M].北京:冶金工业出版社,2002.
[2]张志文.锻造工艺学[M].北京:机械工业出版社,1988.
[3]王健安.金属学与热处理[M].北京:机械工业出版社,1988.
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