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℃残余扩散氢 diffusible hydrogen remained at 100℃

残余氢 residual hydrogen

去氢 dehydrogenation

去氢热处理 heat treatment for dehydrogenation

脱硫 desulphurization

脱磷 dephosphorization

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 weldments

冷裂判据 criterion of cold cracking

冷裂敏感系数 cold cracking susceptibity coefficient

脆性温度区间 brittle temperature range

氢脆 hydrogen embrittlement

层状偏析 lamellar segregation

愈合 healing effect

断口金相fractography
关键字:机械工程词汇
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