定义 中文名称： 焊接热循环 英文名称： welding thermal cycle 定义： 在焊接热源作用下，焊件上某点的温度随时间变化的过程。 应用学科： 机械工程（一级学科）；焊接与切割（二级学科）；一般焊接与切割名词（二级学科）
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The toughness of weld metal is the highest while the coarse grained region in the HAZ is the lowest because of welding thermal cycle and formation of brittle microstructure.
试验钢由针状铁素体和少量块状铁素体组成，焊缝为典型的针状铁素体组织，焊接热影响区粗晶区以粒状贝氏体为主。
The welding thermal cycle and section dimensions of the welding seam were measured in the condition of the simulated welding process parameters for checking simulation results.
采用模拟时的焊接工艺参数进行钨极氩弧焊平板对接焊，测定焊接热循环曲线和焊缝截面尺寸，对模拟结果加以验证。
A new type of computer-aided testing and analyzing system for welding thermal cycle is presented in this paper. The system adopts computer technology and data processing methods.
采用计算机软、硬件技术和数据处理方法，研究和开发了一种新型焊接热循环测试与分析系统。
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