机械设计制造及其自动化专业英语UnitMechanicalPropertiesofMaterialsPPT课件 MechanicalPropertiesofMaterials word •alkalinityn.碱性；碱度[ˌælkəˈliniti]•tensilea.受拉的；拉伸的[ˈtensail]•compressionn.压缩；压力[kəmˈpreʃən]•shearn.剪切；切应变[ʃiə]•torsionn.扭转；...
机械设计制造及其自动化专业英语UnitMechanicalPropertiesofMaterialsPPT课件 MechanicalPropertiesofMaterials word •alkalinityn.碱性；碱度[ˌælkəˈliniti]•tensilea.受拉的；拉伸的[ˈtensail]•compressionn.压缩；压力[kəmˈpreʃən]•shearn.剪切；切应变[ʃiə]•torsionn.扭转；...
文档标签: 机械设计制造与其自动化专业英语_unit03mechanicalpropertiesofmaterials 1 word •alkalinityn.碱性;碱度[ˌælkəˌliniti] •tensilea.受拉的;拉伸的[ˌtensail] •compressionn.压缩;压力[kəmˌpreʃən] •shearn.剪切;切应变[ʃiə] •torsionn.扭转;转矩[ˌtɔ...
材料力学性能(Mechanical Properties of Materials)第1章 材料在静载下的力学行为 1.1 材料在静拉伸时的力学行为概述 静拉伸是材料力学性能试验中最基本的试验方法。用静拉伸试验得到的应力-应变曲线,可以求出许多重要性能指标。如弹性模量E,主要用于零件的刚度设计中;材料的屈服强度σs和抗拉强度σb则主要用于零件的...
材料力学性能(Mechanical properties of materials).doc,材料力学性能(Mechanical properties of materials) 1 elastic deformation: material deformation after loading, unloading this part of the deformation disappeared, the material returned to the original
mechanical properties-1 材料的力学性能 MechanicalPropertiesofMaterials 张滨 1 一、材料在静载荷下的力学性能 静载荷:温度、应力状态和加载速率都固定不变。动载荷:冲击载荷、循环载荷等。1.静拉伸性能静载荷2.静扭转性能3.静弯曲性能4.静压缩性能 2 1.材料的拉伸性能 常温 拉伸试验单向、静拉伸载荷弹性塑性测得...
材料力学 Mechanical Properties of Materials Chapter3 MechanicalPropertiesofMaterials 3.1TheTensionandCompressionTest Itisusedprimarilytodeterminetherelationshipbetweentheaveragenormalstressandaveragenormalstraininmanyengineeringmaterials.Specimenforthetensionandcompressiontest Equipmentsinvolvedinthetensionandcompressiontest 3...
Unit 3 Mechanical Properties of MaterialsUnit 3 Mechanical Properties of Materials The material properties can be classified into three major headings: (i) Physical, (ii) Chemical, (iii) Mechanical. Physical properties Density or specific gravity,moisturecontent, etc., can be classified under this ...
•Importantmechanicalpropertiesarestrength(强度),hardness(硬度),ductility(延展性),andstiffness(刚性).•ThemostactiveorganizationistheAmericanSocietyforTestingandMaterials(ASTM),whichhavealargenumberofthesestandardsrelatetomechanicaltestingtechniques.•Inordertoproduceandfabricatematerialstomeetservicerequirements,...
Unit 3 Mechanical Properties of Materials Unit3MechanicalPropertiesofMaterials mechanical[miˈkænikəl]adj.机械的，机械学的；呆板的；体力的；手工操作的property[ˈprɔpəti]n.特性，属性；财产，地产specificgravity[spiˈsifikˈviti]比重ɡræmoisture[ˈmɔistʃə]n.水分；湿气；...