金属材料英语基础课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,What is a Metal?,What is a Metal?,Metal is consisted of positive centers(or ions)sitting in a“gas”of free-electros.It tends to be good electrical conductors.,Metal is consisted of positive,Now follow me to have a look these materials,Now follow me to have a look t,structure materials,半导体,Semiconductor,超导体,Superconductor,磁性材料,Magnetic materials,光电材料,Optoelectronic Materials,生物材料,Biomaterials,智能材料,Smart Materials,纳米材料,Nanomaterials(,Nanoengineered materials,),超硬材料,Super-hard Materials,高温结构材料,High-TemperatureStructuralMaterials,高强高韧材料,High strength and high toughness material,有色金属,Nonferrous metal,functional materials,structure materials半导体 Semico,Super-hard Material refers to hardness can be compared with diamond materials,mainly refers to the diamond and cubic boron nitride.Superhard materials suitable for manufacturing and processing of other material tools,especially in the processing of hard materials,has the advantage there is nothing comparable to this,occupies an important position can not be replaced,Super-hard Materials,Super-hard Material re,Super-hard Materials,Vertical Honing Tools,Vertical Honing Tools,Super-hard Materials Vertical,High-TemperatureStructuralMaterials can,withstand the mechanical load static or dynamic under the condition of high temperature ceramic.,High-TemperatureStructuralMaterials,High-TemperatureStructural,High-TemperatureStructuralMaterials,High-TemperatureStructuralMa,A semiconductor is a material with electrical conductivity due to electron flow(as opposed to ionic conductivity)intermediate in magnitude between that of a conductor and an insulator.,Semiconductor,A semiconductor is a mater,Semiconductor,semiconductor,power semiconductor parts,Semiconductorsemiconductorpowe,Metallic material,Metallic material,Thank you,Thank you,知识回顾,Knowledge Review,祝您成功！,知识回顾Knowledge Review祝您成功！,