Call for participation
WiKiMicroGraphia will announce prizes for the best uploaded micrographs under student category. Prizes will be given during the student conference "Behind the Teachers Desk (BTTD-13)" in March 2013 at CSIR-National Metallurgical Laboratory, Jamshedpur, India.
Participants of metallography contest of IIM-ATM may upload images in this site. Best microstructure will receive prizes in general category.
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G-X 12 CrMoVWNbN 1011 G-911
TEM bright field images of G-X 12 CrMoVWNbN 1011 G-911 in aged (100,000 h at 600 C in air) condition
This microstructure is not yet approved by reviewer.
Material (Name/Designation/Grade):
G-X 12 CrMoVWNbN 1011 G-911 Material Condition (Heat treatment/Service history/Source):
Normalised at 1053 K for 8 h, hardening by forced air cooling after soaking at 1363 K for 8 h, tempering at 1003 K for 8 h followed by air cooling, stress relieiving at 1003 K for 8 h by furnace cooling to 523 K . ageing heat treatment: ageing at 923k for 1200 h ,upgraded to the ageing at 973 K for 300 h.( this ageing treatment provides an equivalent ageing of 100,000 h at 873 K in air.) Device:
TEM (Philips CM-200Kv interfaced with EDS) 
