鑿巖釬具釬尾的熱處理工藝探索.doc
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鑿巖釬具釬尾的熱處理工藝探索,目 錄前言.....................................................2............................. 31、釬尾的工作環(huán)境和失效形式分析...........................4 1.1 釬尾斷裂....
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目 錄
前言.....................................................2
鑿巖釬具釬尾的熱處理工藝探索............................. 3
1、釬尾的工作環(huán)境和失效形式分析...........................4
1.1 釬尾斷裂..........................................4
1.2 尾部端面破損......................................4
1.3 螺紋磨損..........................................4
1.4 釬耳破斷..........................................4
2、釬尾的服役條件.........................................4
3、釬尾的材料及合金元素的作用.............................5
4、En40B常用釬尾的熱處理工藝分析..........................6
4.1 去應(yīng)力退火.........................................6
4.2 滲碳+直接淬火......................................7
4.2.1 滲碳.............................................7
4.2.2 直接淬火.........................................12
4.2.3 滲碳空淬后常見的缺陷及對(duì)策.......................13
4.3 低溫回火.......................................... 16
4.4時(shí)效處理........................................... 16
5、En40B常用釬尾的新的熱處理工藝...........................17
5.1 滲碳................................................17
5.2 等溫淬火............................................17
結(jié)論........................................................19
參考文獻(xiàn)....................................................21
前言.....................................................2
鑿巖釬具釬尾的熱處理工藝探索............................. 3
1、釬尾的工作環(huán)境和失效形式分析...........................4
1.1 釬尾斷裂..........................................4
1.2 尾部端面破損......................................4
1.3 螺紋磨損..........................................4
1.4 釬耳破斷..........................................4
2、釬尾的服役條件.........................................4
3、釬尾的材料及合金元素的作用.............................5
4、En40B常用釬尾的熱處理工藝分析..........................6
4.1 去應(yīng)力退火.........................................6
4.2 滲碳+直接淬火......................................7
4.2.1 滲碳.............................................7
4.2.2 直接淬火.........................................12
4.2.3 滲碳空淬后常見的缺陷及對(duì)策.......................13
4.3 低溫回火.......................................... 16
4.4時(shí)效處理........................................... 16
5、En40B常用釬尾的新的熱處理工藝...........................17
5.1 滲碳................................................17
5.2 等溫淬火............................................17
結(jié)論........................................................19
參考文獻(xiàn)....................................................21
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