http://www.waset.org/journals/waset/v67/v67-175.pdf

http://prb.aps.org/abstract/PRB/v3/i10/p3141_1

http://www.sciencedirect.com/science/article/pii/S0925963506002159

http://www.generalcarbide.com/PDF/Designer-Guide.pdf

http://iopscience.iop.org/0370-1301/65/11/304

You may try to obtain these books:

(page 36-37) http://books.google.com.tr/books?id=foLRISkt9gcC&printsec=frontcover&hl=tr&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false

http://link.springer.com/content/pdf/10.1007%2FBF00774151.pdf

Thanks a lot - I will have a look at it.

Hi, I see this question now , I think this reference can help you .

ASM handbook - vol 9 - P 2580 - metallography of cemented carbides

ASM handbook - vol 20 - P 958 - Tangestan and Its Alloys

ASM handbook - vol 20 - P1364 - Design for High Temperature Aplications

Thanks a lot.

Perhaps the followers of this thread will find the attached study of incandescent lamp interesting.