pec材料工程英語(yǔ)證書(shū)考試-材料科學(xué)基礎(chǔ)詞匯

1、PEC材料工程英語(yǔ)證書(shū)考試材料工程英語(yǔ)證書(shū)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(qiáng)度yieldstrength最大抗拉強(qiáng)度ultimatetensilestrength最大強(qiáng)度ultimatestrength延展性ductility伸長(zhǎng)率elongation斷面收縮率reductionofarea頸縮necking斷裂強(qiáng)度breakingstrength韌性toughness硬度hardness疲勞強(qiáng)度f(wàn)atiguestrength蜂窩honeycomb熱

3、脆性heatshtness晶胞中的原子數(shù)atomspercell籽晶生長(zhǎng)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(chǎng)selfconsistentfield固溶體固溶體Solidsolution:有序固溶體deredsolidsolution無(wú)序固溶體disderedsol

4、idsolution有序合金deredalloy無(wú)序合金disderedalloy.無(wú)序點(diǎn)陣disderedlattice分散，擴(kuò)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(diǎn)缺陷pointdefect線缺陷linedefectdislocation面缺陷interfacedefectsurf