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PAGE
毕业论文
题 目:低碳钢表面电弧堆焊耐磨层工艺
及组织性能分析
专 业 焊接技术与工程
类 别 专升本
层 次 本科
学 生
学 号
指导教师
开题报告日期 2012年4月20日
哈尔滨工业大学
2012年4月
目 录
摘 要···········································································································································Ⅲ
ABSTRACT·······························································································································Ⅳ
1 前 言
1.1 堆焊技术的发展及应用··········································································································1
1.1.1 基本概念···························································································································1
1.1.2 我国堆焊技术的发展状况·······························································································3
1.1.3 堆焊技术在生产中应用···································································································4
1.2 堆焊方法··································································································································4
1.2.1 焊条电弧堆焊···················································································································4
1.2.2埋弧堆焊····························································································································6
1.2.3 钨极氩弧堆焊···················································································································7
1.3 课题内容及目的······················································································································8
2 实 验
2.1 实验材料··························································································································
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