| 45Mn_2钻杆接头热处理工艺研究 |
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| 引用本文：刘可忠.45Mn_2钻杆接头热处理工艺研究[J].钻探工程,1996,(6):11-13.. Study on the Heat Treatment Process of 45Mn_2 Steel Drill Pipe Joints[J]. Drilling Engineering, 1996,(6):11-13. |
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| 刘可忠 |
| 昆明探矿机械厂 |
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| 中文摘要:探讨了４５Ｍｎ２钻杆接头的各种热处理工艺和综合机械性能，应用断裂力学优选最佳热处理工艺，并已投入生产。 |
| 中文关键词:45Mn_2，调质，断裂韧性，强韧化 |
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| Study on the Heat Treatment Process of 45Mn_2 Steel Drill Pipe Joints |
| Liu Kezhong |
| Kunming Exploration Machinery Plant Kunming 650216 |
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| Abstract:This paper deals with the heat treatment process and mechanical properties of 45Mn2 steel drill pipe joints. The optimal technological processes of heat treatment determined by the fracture mechanics have been put into production and have obtained very good economic benefit. |
| keywords:steel 45Mn_2 quenching and tempering fracture toughness strengthening and toughening, |
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