| 含钼20CrMnTi钢坯料热处理新工艺 |
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| 引用本文： | 赵宇,刘喜明,冉旭,邬占田. 含钼20CrMnTi钢坯料热处理新工艺[J]. 金属热处理, 1999, 0(6): 15-17 |
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| 作者姓名： | 赵宇 刘喜明 冉旭 邬占田 |
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| 作者单位： | 吉林工学院材料系,长春,130012 |
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| 摘 要： | 通过对含有Ｍｏ的２０ＣｒＭｎＴｉ钢制齿轮坯料正火组织，性有的研究发析，证明此钢正火后形成粒状贝氏体导致其硬度较高（一般为２６０～２８０ＨＢ）从而给坯料加工带来困难。为此，本文提出了等浊正火处理新工艺，其硬度与２０ＣｒＭｎＴｉ钢正火后的硬度相同，以适应机械加工需要。
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| 关 键 词： | 粒状贝氏体 等温正火 坯料热处理 |
A New Heat Treatment Process of 20CrMnTi Steel Blank with Mo |
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| Zhao Yu,Liu Ximing,Ran Xu,Wu Zhantian. A New Heat Treatment Process of 20CrMnTi Steel Blank with Mo[J]. Heat Treatment of Metals, 1999, 0(6): 15-17 |
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| Authors: | Zhao Yu Liu Ximing Ran Xu Wu Zhantian |
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| Abstract: | Through study and analysis of normalized structure and property of 20CrMnTi steel with a trace content of Mo for semifinished gears,it indicated that the cutting difficulty is due to the emerge of granular Bainite which raise the hardness up to 260280HB.A new isothermal normalizing process has been given in this paper.And the same degree of hardness as normalized 20CrMnTi steel can be obtained,the machining process requirements are met. |
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| Keywords: | granular Bainite isothermal normalizing blank heat treatment |
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