pec材料工程英語證書考試-材料科學(xué)基礎(chǔ)詞匯

1、PEC材料工程英語證書考試材料工程英語證書考試材料科學(xué)基礎(chǔ)詞匯材料科學(xué)基礎(chǔ)詞匯材料的類型材料的類型Typesofmaterialsmetalsceramicspolymerscompositeselastomer部分材料性質(zhì)復(fù)習(xí)Reviewofedpropertiesofmaterials電導(dǎo)率和電阻率conductivityresistivity熱導(dǎo)率thermalconductivity應(yīng)力和應(yīng)變stressstrain彈性應(yīng)變el

2、asticstrain塑性應(yīng)變plasticstrain屈服強度yieldstrength最大抗拉強度ultimatetensilestrength最大強度ultimatestrength延展性ductility伸長率elongation斷面收縮率reductionofarea頸縮necking斷裂強度breakingstrength韌性toughness硬度hardness疲勞強度fatiguestrength蜂窩honeycomb熱

3、脆性heatshtness晶胞中的原子數(shù)atomspercell籽晶生長seededgrowth均質(zhì)核化homogeneousnucleation異質(zhì)核化heterogeneousnucleation均勻化熱處理homogenizationheattreatment熟料grog自恰場selfconsistentfield固溶體固溶體Solidsolution:有序固溶體deredsolidsolution無序固溶體disderedsol

4、idsolution有序合金deredalloy無序合金disderedalloy.無序點陣disderedlattice分散，擴散，彌散dispersal分散劑dispersant分散劑，添加劑dispersantadditive分散劑，彌散劑dispersantagent缺陷缺陷defectimperfection點缺陷pointdefect線缺陷linedefectdislocation面缺陷interfacedefectsurf