[精华]焊接专业英语3.doc

[精华]焊接专业英语3.doc焊接热循环 weld thermal cycle
焊接温度场 field of weld temperature; weld temperature field
准稳定温度场 quasi~stationary temperature field
焊接热源 welding heat source
点热源 point heat source
线热源 linear heat source
面热源 plane heat source
瞬时集中热源 instantaneous concentration heat source
热效率 thermal efficiency
热能集中系数 coefficient of heat flow concentration
峰值温度 peak temperature
瞬时冷却速度 momentary cooling rate
冷却时间cooling time
置换氧化 substitutionary oxydation
扩散氧化 diffusible oxydation
脱氧 desoxydation
先期脱氧 precedent desoxydation
扩散脱氧 diffusible desoxydation
沉淀脱氧 precipitation desoxydation
扩散氢 diffusible hydrogen
初始扩散氢 initial diffusible hydrogen
100°C残余扩散氢 diffusible hydrogen remained at 100°C
残余氢 residual hydrogen
去氢 dehydrogenation
去氢热处理 heat treatment for dehydrogenation
脱硫 desulphurization
脱磷 dephosphori zat ion
渗合金alloying
微量合金化microalloying
一次结晶组织 primary solidification structure
二次结晶组织 secondary solidification structure
联生结晶 epitaxial solidification
焊缝结晶形态 solidification mode in weld-bead
结晶层状线ripple
多边化边界 polygonization boundary
结晶平均线速度 mean solidification rate
针状铁素体acicular ferrite
条状铁素体lath ferrite
侧板条铁素体ferrite side-plate
晶界欣素体 grain boundary ferrite; polygonal ferrite; pro-entectoid ferrite
粒状贝氏体granular bainite
板条马氏体lath martensite
过热组织 overheated structure
魏氏组织 Widmannst?tten structure
M-A 组元 martensite-austenite constituent 焊件失效分析 failure analysis of