焊接专业英语词汇3

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1、焊接专业英语词汇(3)焊接热循环weldthermalcycle焊接温度场fieldofweldtemperature;weldtemperaturefield准稳定温度场quasi-stationarytemperaturefield焊接热源weldingheatsource点热源pointheatsource线热源linearheatsource面热源planeheatsource瞬时集中热源instantaneousconcentrationheatsource热效率thermalefficiency热能集中系数coefficientofheatflowconcentra

2、tion峰值温度peaktemperature瞬时冷却速度momentarycoolingrate冷却时间coolingtime置换氧化substitutionaryoxydation扩散氧化diffusibleoxydation脱氧desoxydation先期脱氧precedentdesoxydation扩散脱氧diffusibledesoxydation沉淀脱氧precipitationdesoxydation扩散氢diffusiblehydrogen初始扩散氢initialdiffusiblehydrogen100℃残余扩散氢diffusiblehydrogenremai

3、nedat100℃残余氢residualhydrogen去氢dehydrogenation去氢热处理heattreatmentfordehydrogenation脱硫desulphurization脱磷dephosphorization渗合金alloying微量合金化microalloying一次结晶组织primarysolidificationstructure二次结晶组织secondarysolidificationstructure联生结晶epitaxialsolidification焊缝结晶形态solidificationmodeinweld-bead结晶层状线ripp

4、le多边化边界polygonizationboundary结晶平均线速度meansolidificationrate针状铁素体acicularferrite条状铁素体lathferrite侧板条铁素体ferriteside-plate晶界欣素体grainboundaryferrite;polygonalferrite;pro-entectoidferrite粒状贝氏体granularbainite板条马氏体lathmartensite过热组织overheatedstructure魏氏组织Widmannst?ttenstructureM-A组元martensite-austeni

5、teconstituent焊件失效分析failureanalysisofweldments冷裂判据criterionofcoldcracking冷裂敏感系数coldcrackingsusceptibitycoefficient脆性温度区间brittletemperaturerange氢脆hydrogenembrittlement层状偏析lamellarsegregation愈合healingeffect断口金相fractography断口fracture延性断口ductilefracture韧窝断口dimplefracture脆性断口brittlefracture解理断口cle

6、avagefracture准解理断口quasi-cleavagefracture氢致准解理断口hydrogen-embrittlementinduced沿晶断口intergranularfracture穿晶断口transgranularfracture疲劳断口fatiguefracture滑移面断口glideplanefracture断口形貌fractureapperance断口试验fracturetest宏观断口分析macrofractography放射区radicalzone纤维区fibrouszone剪切唇区shearlipaone焊接性weldability使用焊接性s

7、erviceweldability工艺焊接性fabricationweldability冶金焊接性metallurgicalweldability热焊接性thermalweldability母材basemetal;parentmetal焊接区weldzone焊态as-welded(AW)母材熔化区fusionzone半熔化区partialmeltingregion未混合区unmixedzone熔合区bondarea熔合线weldjunction(英)；bondline(美)热影响区heat-