【正文】
...................................................... 2 第 二章 影響結(jié)構(gòu)鋼韌性的因素 .............................................................................................. 3 不同碳量和回火溫度 對 結(jié)構(gòu)鋼斷裂韌性 的影響 ..................................................... 3 試樣制備 .......................................................................................................... 3 實驗過程 .......................................................................................................... 3 實 驗分析 ........................................................................................................ 4 結(jié)論 ................................................................................................................ 4 組織和成分因素對結(jié)構(gòu)鋼斷裂韌性的影響 ............................................................. 4 試驗方法 .......................................................................................................... 4 實驗結(jié)果 .......................................................................................................... 4 分析與討論 ...................................................................................................... 6 結(jié)論 .................................................................................................................. 6 顯微組織對熱處理低合金結(jié)構(gòu)鋼強度與韌性 影響 ................................................. 6 試驗方法 .......................................................................................................... 6 實驗結(jié)果機分析 .............................................................................................. 7 結(jié)論 .................................................................................................................. 7 結(jié)構(gòu)鋼氮碳共滲后韌性下降的原因 ........................................................................ 8 試驗方法 ........................................................................................................ 8 試驗結(jié)果與分析 ............................................................................................ 8 結(jié)論 ................................................................................................................ 9 第 三章 結(jié)論 ............................................................................................................................ 10 參考文獻 ...................................................................................................................................11 內(nèi)蒙古科技大學(xué) 課程 設(shè)計說明書(畢業(yè)論文) 1 第一章 結(jié)構(gòu)鋼的性能要求 主要結(jié)構(gòu)鋼材的 分類 結(jié)構(gòu)鋼是用來制造各種工程結(jié)構(gòu)和各種機器零件的鋼種。 關(guān)鍵詞: 結(jié)構(gòu)鋼 ; 韌性 ; 影響因素 內(nèi)蒙古科技大學(xué) 課程 設(shè)計說明書(畢業(yè)論文) III The toughness of the steel and its influence factors Abstract Structural steel is used to making all kinds of engineering structures and steel grade of various kinds of machine parts. Used in the manufacture of engineering structure of the steel is also known as steel or steel ponents. This ki