supported by National Key R&D Program of China (Nos. 2017YFB0406200, 2017YFB0703200, and 2017YFB0310400);the National Natural Science Foundation of China (No. 51501215), Shanghai Sailing Program (No. 16YF1412900);Science Foundation for Youth Scholar of State Key Laboratory of High Performance Ceramics and Superfine Microstructures (No. SKL201701);State Key Laboratory of New Ceramic and Fine Processing Tsinghua University (No. KF201806)
The β-Si3N4 whiskers (β-Si3N4w) reinforced A1 matrix com posites were first fabricated by hot pressing, then treated through hot extrusion. The microstructure characterization dem onstrated the preferred orientation...
supported by Chinese Academy of Sciences(Grant Nos.KJCX2-SW-N03 and KJCX2-SW-N20)
The compressibility and pressure-induced phase transition of β-Si3N4 were investigated by using an angle dispersive x-ray diffraction technique in a diamond anvil cell at room temperature. Rietveld refinements of the...