Unit 2.2.ppt

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1、Unit 2HEAT TREATMENT OF METALSVocabulary1（paragraph13）n1.heattreatmentn.热处理n2.embracevt.包含n3.metallurgyn.冶金,冶金学n4.physicsn.物理学n5.chemistryn.化学n6.engineeringn.工程(学)n7.Oren.矿石,矿砂n8.finalproduct最终产品,(制)成品n9.physicalproperty物理性能Vocabulary1（paragraph13）n10.accordingtov.依照n11.proceduren.程序,手续n12.abrasionn

2、.磨损n13.machiningv.加工n14.internalstress内应力n15.grainsize粒度,晶粒尺寸n16.toughness韧度,韧性n17.ductileadj.易延展的,柔软的n18.interioradj.内部的,内的n.内部Vocabulary1（paragraph13）n19.carbonn.化碳(元素符号C)n20.nickeln.化镍,镍币n21.chromiumn.铬n22.manganesen.化锰(元素符号为Mn)n23.molybdenumn.化钼n24.tungstenn.化钨n25.siliconn.化硅,硅元素Vocabulary1（para

3、graph13）n26.vanadiumn.矿钒,铅矿n27.coppern.铜,警察n28.controllingfactor控制因素n29.criticalrange临界范围n30.hardstructure硬式结构Vocabulary2(paragraph45)n1.iron-carbondiagram铁碳平衡图,铁碳相图n2.carboncontent含碳量n3.eutectoidn.共析体；adj.共析的n4.processingn.,adj.加工(的)处理n5.diagramn.图表；图样n6.decompositionn.分解,腐烂n7.single-phase单相,单相的n8.

4、austenite奥氏体Vocabulary2(paragraph45)n9.two-phase两相,双相的n10.ferriten.(冶)铁素体n11.carbiden.化碳化物n12.drasticallyadv.大幅度地n13.solubilityn.溶度,溶性,溶解性n14.heattreatment热处理Vocabulary3(paragraph6)n1.eutectoidcomposition共析成分n2.dissolvevt.使溶解；解散n3.solidsolution固溶体n4.fccface-centeredcubic面心立方n5.bccbody-centeredcubic体

5、心立方n6.deltan.三角州,(希腊字母的第四个字)n7.cementiten.冶渗碳体，碳化铁n8.intermetallicadj.金属间(化合)的，金属间position化合物Vocabulary3(paragraph6)n10.specimenn.样本，标本，样品n11.etching蚀刻技术n12.weaksolution弱解，稀溶液n13.solution n.解 决 办 法,溶 解,溶 液 14.nitricacid硝酸n15.nitricadj.化氮的,含氮的,硝石的n16.revealvt.展现；揭示，揭露n17.alcoholn.酒精，乙醇Vocabulary3(par

6、agraph6)n18.lamellarstructure层状组织，片状结构n19.lamellaradj.薄片状的,薄层状的n20.slowcooling缓慢冷却n21.hypoeutectoid冶亚共析的n22.pearliten.珠光体n23.resemblancen.相似，相似性n24.mother-of-pearl珠目n25.quench淬火Vocabulary4（paragraph7）n1.hypoeutectoid亚共析，超低级共熔体n2.hypoeutectoidsteel亚共析钢n3.stablephase稳定相n4.Tie-line截线n5.lever-law杠杆定律n6.

7、low-carbon低碳的n7.nucleate形成晶核，形核n8.eutectoidcomposition共析成分n9.proeutectoidferrite先共析铁素体n10.eutectoidreaction共析反映，共析转变Vocabulary5（paragraph89）n1.Hypereutectoidsteel过共析钢n2.cementiten.冶渗碳体，碳化铁n3.phasediagram相转变图n4.equilibriumcondition平衡条件n5.equilibriumn.平衡,平静n6.phasereaction相反应Vocabulary6（paragraph10）n1

8、.Hardening淬硬n2.criticalrange临界范围n3.carboncontent碳含量n4.iron-ironcarbide铁碳化铁n5.phasediagram相图n6.preliminaryadj.预备的,初步的n7.determinev.决定,确定,测定,Vocabulary6（paragraph10）n8.hardnesstesting硬度实验n9.microscopicadj.显微镜的，微观的n10.microscopic examination 微观检验，金相试验n11.markedadj.显著的n12.hardnessn.坚硬，硬度Vocabulary7（para

9、graph1112）n1.rateofheating加热速度n2.exterioradj.外部的；对外的n3.interioradj.内的；内地的；n.内部n4.definiteadj.明确的；肯定的n5.uniform均匀的n6.irregularadj.不规则的n7.warp翘起,弯曲n8.crack破裂，裂缝n9.quenchingrate淬冷率n10.alloyingelement合金元素n11.hardenability硬化程度，淬透性n12.unhardened未淬火的，未硬化的Vocabulary8（paragraph1314）n1.appreciablyadv.相当大地n2.e

10、utectoidpoint共析点n3.annealed退火的n4.hardsteel硬钢n5.somewhatpron.一点儿；adv.有点n6.rateofheatflow热流率n7.quenchingmedium淬火介质n8.criticalrate临界率Vocabulary8（paragraph1314）n9.brine盐水n10.waterquenching水淬n11.quench淬火n12.Underthesecircumstance在这种情况下n13.finiteadj.有限的；有尽的n14.regardlessof不顾，不惜，不注意n15.oilquenching油淬，油急冷n1

11、6.criticalstage决定性阶段Vocabulary9(paragraph15)n1.temperingv.回火n2.brittleadj.脆的；易损坏的n3.drawing冲压成型n4.brittleness脆度，易碎性n5.serviceconditions使用条件n6.tensilestrength抗拉强度n7.ductility延展性，韧性n8.toughness韧性Vocabulary9(paragraph15)n9.reheating再加热，重加热n10.softenvt.使变软n11.annealingv.退火n12.temperedmartensite回火马氏体Voca

12、bulary10(paragraph16)n1.instabilityn.不稳定(性)n2.principalconstituent主成分n3.hardenedsteel硬化钢n4.internalstrain内应变n5.temperingtemperature回火温度n6.breakdownn.崩溃,衰弱,细目分类n7.temperedmartensite回火马氏体n8.precipitationn.析出，沉淀n9.agglomerationn.结块,凝聚,聚居区n10.coalescencen.合并，溶合，并合n11.substantialadj.实质的,充实的Vocabulary11（p

13、aragraph1718）n1.specialprocess特种方法n2.interruptedquenching分级淬火n3.quenchvt.淬火；vi.熄灭,平息n4.saltbath盐浴n5.Austempering奥氏体回火,等温淬火n6.martempervt.冶使等温淬火,使分级淬火；n.马氏体回火Vocabulary12（paragraph1920）n1.annealingv.退火n2.criticaltemperature临界温度n3.fullannealing完全退火,再结晶退火n4.crystalline晶状,结晶n5.internalstress内应力n6.iron-i

14、ron carbide equilibrium diagram铁碳化铁平衡图n7.uniformity均匀,一致性n8.annealingtemperature退火温度n9.furnacen.炉子，熔炉；鼓风炉Vocabulary13（paragraph2122）n1.Normalizing常化,正火n2.Spheroidizing球化(处理)n3.stillair静止空气n4.roomtemperature常温n5.grainstructure粒状组织,颗粒结构n6.roll轧制cast铸型n7.spheroidal球体的,球形的n8.globularstructure球状组织n9.mach

15、inability可切削性n10.hypereutectoidsteel过共析钢Vocabulary14（paragraph2324）n1.SURFACEHARDENING表面淬硬n2.casehardening表面硬化n3.carburizing渗碳剂n4.affinity密切关系n5.high-carbonsteel高碳钢n6.diffusevt.&vi.使(热)散开n7.case表皮Vocabulary14（paragraph2324）n8.Packcarburizing固体渗碳n9.closedcontainer密闭容器n10.carbonaceousmaterial含碳物质n11.c

16、harcoaln.炭；木炭n12.coken.焦炭;vt.&vi.炼焦n13.low-carbonsteel低碳钢n14.outerlayer外层Vocabulary15（paragraph25）n1.graingrowth晶粒长大n2.core心部n3.refining细化n4.transformationrange转变范围n5.finestructure微细结构,精细结构n6.criticalpoint临界点n7.austenitize奥氏体化Vocabulary16（paragraph26）n1.Carbonitriding碳氮共渗,氰化n2.Cyaniding氰化ndrycyanidi

17、ng干法氰化n3.nicarbing气体碳氮共渗,气体表面硬化法n4.case-hardening表层硬化n5.gaseousadj.气体的，气态的n6.nitrogen氮气n7.ammonia氨n8.wear-resistant抗磨损的n9.hardenability硬化程度，淬透性Vocabulary17（paragraph27）n1.Cyaniding氰化n2.liquidcarbonitriding液体碳氮共渗n3.low-carbonsteel低碳钢n4.fused熔融的n5.sodiumn.钠n6.cyanide氰化物nsodiumcyanide氰化钠n7.durationn.持续

18、，持久n8.soakvt.浸湿；淋湿Vocabulary18（paragraph2829）n1.nitridingv.渗氮n2.casehardening表面硬化n3.nitride氮化物n4.dispersevt.(使)分散；驱散n5.alloysteel合金钢n6.constituent组成物n7.gasnitriding气体渗氮n8.transformationrange转变范围n9.cyanidebath氰化溶液槽Vocabulary19n1.cyaniden.化氰化物n2.Brinell布氏硬度n3.Nitridingsteel氮化钢n4.corrosiveaction腐蚀作用n5.Alkali碱n6.crudeoil原油n7.naturalgas天然气