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时间:2018-12-05
《焊接技术及自动化-毕业论文》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、``毕业论文铸铁件焊缝设计系(部):专 业: `````目录毕业论文开题报告...................................................2毕业论文任务书......................................................3摘要................................................................4引言................................................................5第一章
2、焊接的发展史..................................................61.1焊接的发展史..................................................61.2焊接的发展前景................................................71.2.1国内外概况...............................................71.2.2产品情况..............................................
3、....8第二章灰口铸铁的焊缝设计...........................................92.1 铸铁焊接存在的问题............................................92.1.1焊后产生白口组织.........................................92.1.2焊接接头出现裂纹..........................................92.2灰口铸铁的化学成分及力学性能.................................102.2.1灰口
4、铸铁的化学成分.......................................102.2.2灰口铸铁的力学性能.......................................102.3常用铸铁件的焊接方法.........................................102.3.1热焊法..................................................112.3.2冷焊法...................................................112.3.3加热减应
5、焊法.............................................122.4接头形式的选择及坡口的选择...................................132.4.1焊缝的布置工艺设计原则...................................132.4.2接头形式的选择...........................................152.4.3坡口的选择...............................................16第三章焊后检验...........
6、..........................................183.1焊缝外观及尺寸的检验.........................................183.2致密性检验...................................................183.3无损探伤.....................................................183.3.1磁粉探伤的基本原理.......................................183.3.2漏磁场的强度
7、主要取决磁化场的强度和缺陷对于磁化场垂直截面的影响程度..........................................................193.3.3磁粉探伤的一般程序.......................................193.3.4磁愤探伤的验收标准.......................................20结论...............................................................21致谢
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