上游充通大 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 材料组织结构的表征 SHANGH 赵冰冰 材料科学与工程学院 A2019年 G
1896 1920 1987 2006 材料组织结构的表征 赵冰冰 材料科学与工程学院 2019年
看真相不要看假相 金相试样制备 好样品是成功的一半
材料科学与工程学院 School of Materials Science and Engineering 1896 1935 1987 2006 金相试样制备 2 看真相不要看假相 好样品是成功的一半
⑧ 金相学(metallography) ·Metallography: -A systematic method to examine microstructure of materials(mainly metallic materials) -Can also be used to examine ceramics, polymers and semiconductors 材料科学与工程学院 3 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 金相学(metallography) • Metallography: – A systematic method to examine microstructure of materials (mainly metallic materials) – Can also be used to examine ceramics, polymers and semiconductors 3
金相组织 Robert Hooke(1635-1703) 于17世纪晚期设计的显微镜 www.com.c 图1铁顾石腐刻后直接印制的魏氏组织(1820) Count Alois von Beckh Widmanstatten Π.Π.AHOCOB H.C.Sorby 6 A.Martens F.Osmond Fig:s. School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 金相组织 4 Count Alois von Beckh Widmanstätten П.П. Аносов H.C. Sorby A. Martens F. Osmond Robert Hooke(1635-1703) 于17世纪晚期设计的显微镜
© 金相试样制备 取样 制样 浸蚀 观察 材料科学与工程学院 5 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 金相试样制备 5 取样 制样 浸蚀 观察
图 取样 Sample frame ND RD Sample frame(s】 TD orthogonal.preferably right-handed frame Preterably chosen according to important directions or surfaces associated with specimen ·rolling:RD.TD.ND uniaxial (e.g.tension compression) 010 ·principal axis:Z. .X.Y perpendicular(arbitrary) 00) 礼制表而 轧谢方狗 图11轧制刑材金相试样的取 1一与轧捌老预℉行的纵断面2一与轧制表面垂直的纵面 3一横断面4一放射纵断阿6一扰向纵断面 材料科学与工程学院 6 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 取样 6
图 取样 niplo.cumm 面au,一 学与工程学院 7 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 取样 7
③ 取样 A WoSs C SC77 D 8 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 取样 8
取样 (a) Microtomy:切片 Useful for preparing soft materials such as polymer samples. Steel,glass or diamond knives in a microtome can Specimen Specimen holder block Block Specimen cut samples into very thin Knife sections. Knife Cut section Sections (b) (a)Adapted from http://www.me.ust.hk/-meiswu/. Microscope slide Copper (b)From http://blass.com.au/definitions/microtome mesh grid 材料科学与工程学院 9 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 取样 9 切片
图 取样 ·电火花放电加工 (electric discharge machining) DK7740维度 10 本市开可4北木有极公风 图10-4数控线切割加工原理 1一数控装置;2一滚丝简:3一导轮:4一电极丝;5一工件; 6一喷嘴;7一绝缘板;8一高频脉冲发生器:9一泵; 10一工作液;11一步进电机 材料科学与工程学院 10 School of Materials Science and Engineering
材料科学与工程学院 School of Materials Science and Engineering 取样 • 电火花放电加工 (electric discharge machining) 10