Schwetz K A, Vogt G. Process for the production of densesintered shaped articles of polycrystalline boron carbide by pressureless sintering [P] . US Pat , 4195066. 1980-03-05.
[2]
Prochazka S, Dole S L, Hejna C I. Abnormal grain growth and microcracking in boron carbide [J] . J Am Cream Soc,1985, 68 (9) : 235- 236.
Dmitri B, Surya R K. Microstructural evolution during transient plastic phase processing of titanium carbide-titanium boride composites [J] . J Am Ceram Soc, 1996, 79 (7) : 1945- 1952.