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ID:40499065
大小:45.00 KB
页数:5页
时间:2019-08-03
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1、词汇记忆ferrousalloy黑色金属合金engineeringmaterial工程材料non-ferrousmetal有色金属alloyingelement合金元素corrosionresistance抗腐蚀性wroughtiron熟铁ballbearing滚珠轴承automobilebody汽车车身stainlesssteel不锈钢hotrolling热轧toolsteel工具钢heattreatment热处理highstrength高强度lowductility低延展性criticaltemperature临界温度d
2、entalalloy牙科合金electricalwiring电线heatexchanger热交换器weightreductionofvehicle汽车轻量化precipitationhardening沉积硬化ironbasedsuperalloy铁基超级耐热合金mechanicalproperty机械性能fourgeneraltypesofcastirons:铸铁的四种类型:grayiron灰口铸铁,whiteiron白口铸铁,malleableiron可锻铸铁ductileiron球墨铸铁category种类castiro
3、n铸铁aluminum铝zinc锌impurity杂质smelt精炼reduce还原oxide氧化物pigiron生铁carbon碳silicon硅sulphur硫ductile易延展的durable耐久的dislocation位错hardness硬度precipitation沉淀,沉积superalloy超级合金nickel镍tungsten钨chromium铬quench淬火magnesium镁spring弹簧contract收缩pigment颜料annealing退火worked加工过的porosity孔隙度,孔隙率s
4、olvent溶剂cure固化copper铜radiator散热器transparency透明性function函数modulus模量toughness坚韧galvanization镀锌判断1、Thename“castiron”derivesfromthefactthatthereisonlyironincastirons(T/F)命名为“铸铁”源于事实,那就是只有铁铸铁(T/F)2、Therearealotofalloysinwhichthereisnoiron.(T/F)有很多,其中有没有铁的合金。(T/F)3、Tungs
5、tencanbearthetemperatureof2000℃inair.(T/F)钨能承受2000℃的温度在空气中。(T/F)4、Man-madecompositesdonotimitatenaturalones.(T/F)人造复合不要模仿自然的。(T/F)5、Thepropertyofthewooddoesnotchangewhentheenvironmentalconditionchange.(T/F)该物业的木材不改变时,环境条件的变化。(T/F)6、Theinterfacialstrengthisnotimport
6、antforacompositesmaterial.(T/F)复合材料界面强度并不重要(T/F)。7、Ceramicscanbesubstitutedbysteelinsomecaseaccordingtothepassage.(T/F)陶瓷可以取代钢在某些情况下,根据短文。(T/F)8、Ifalotofcracksaregenerated,thetoughnessisimproved(T/F)如果产生了很多裂纹,韧性提高(T/F)9、Therearemorethanonestepintheprocesstomakeapls
7、ticproduct。(T/F)10、Thefilmcoatingisusedfordecoration.(T/F)翻译1、Withinthesteelcategory,weshalldistinguishwhetherornotasignificantamountofalloyingelementsotherthancarbonisused.对于钢的分类,我们应该以是否含有大量有效合金元素而不是碳含量的标准去区分。2、Thesealloyadditionsarechosencarefullybecausetheyinvar
8、iablybringwiththemsharplyincreasedmaterialcosts.合金元素的添加选择要谨慎,因为它们常常会带来材料价格的快速上涨。3、Theyaremoderatelypricedduetotheabsenceoflargeamountsofalloyinge
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