Anything missing? TD ND RD a b Crystallographic information? 6
6 • Crystallographic information? Anything missing?
Duplex stainless steel Red=ferrite Blue=austenite SU70 8.0kV 9.6mm x400 YAGBSE 100um Chemical information? -100 um:BC+Fble+Ped:Sep-02 un Gid1565*1174 7
7 Duplex stainless steel Red=ferrite Blue=austenite • Chemical information?
Q:how to determine crystal structure in TEM? BCLIOJFN 入射电子東 Niiou9 样品 200.20 [uvw] Cuvw1=[110】 000 020 爱瓦尔德球 0A4vw=[110% 5 JInm B=[001] (hk④ The diffraction pattern represents a 1i2 atio R 1i2 reciprocal lattice plane with reciprocal lattice 002 000 R002 points which are shown as the diffraction ii交 110 112 街射花排 spots.(p.108 on text book)
Q: how to determine crystal structure in TEM?
Q:how to determine crystal structure in TEM? ≤…g-phase ......y-phase ST1000 &…&-phase δ-phase 25Cr钢分析结果 1um ST1050 ST10001000度退火 ● y-phase ST10001050度退火 1μm o-phase
Q: how to determine crystal structure in TEM? -phase -phase -phase ST1000 ST1050 25Cr 钢分析结果 ST1000 1000度退火 ST1000 1050度退火
菊池线 l928 Seishi Kikuchi第一次观察到了电子衍射形 成的Kikuchi花样。 P'pattern of calcite (Kikuchi,Japanese Journal of Physics,V;2,1928.) P'pattern of mica (Kikuchi,Japanese Journal of Physics,V 2,1928.) Thanks to Robert Schwarzer for the image
1928 Seishi Kikuchi 第一次观察到了电子衍射形 成的Kikuchi花样。 'P' pattern of mica (Kikuchi, Japanese Journal of Physics, V, 2, 1928.) 'P' pattern of calcite (Kikuchi, Japanese Journal of Physics, V, 2, 1928.) Thanks to Robert Schwarzer for the image 菊池线