TY - JOUR
T1 - High pressure sintering behavior and mechanical properties of cBN-Ti 3Al and cBN-Ti 3Al-Al composite materials
AU - Li, Yu
AU - Kou, Zili
AU - Wang, Haikuo
AU - Wang, Kaixue
AU - Tang, Hongchang
AU - Wang, Yanfei
AU - Liu, Shenzhuo
AU - Ren, Xiangting
AU - Meng, Chuanming
AU - Wang, Zhigang
PY - 2012/12/1
Y1 - 2012/12/1
N2 - The sintering behavior and mechanical properties of cubic boron nitride (cBN) composites, using the mixture of cBN-Ti3Al and cBN-Ti 3Al-Al as the starting material respectively, were investigated under high pressure and high temperature (HPHT) conditions. The results show that the samples of cBN-Ti3Al-Al sintering system have more homogeneous microstructures. Young's modulus, shear modulus, and bulk modulus of samples measured by ultrasonic measurements can reach to 782±3GPa, 344±1GPa, and 348±2GPa, respectively. The hardness increases remarkably with the sintering temperature rising, and reaches to the highest value of 35.04±0.51GPa. For the cBN-Ti3Al sintering system, the X-ray diffraction patterns of composites reveal that the chemical reactions between cBN and Ti3Al occurred at 5.0GPa and 1300°C. The reaction mechanisms of both cBN-Ti3Al and cBN-Ti3Al-Al sintering systems are discussed in this paper.
AB - The sintering behavior and mechanical properties of cubic boron nitride (cBN) composites, using the mixture of cBN-Ti3Al and cBN-Ti 3Al-Al as the starting material respectively, were investigated under high pressure and high temperature (HPHT) conditions. The results show that the samples of cBN-Ti3Al-Al sintering system have more homogeneous microstructures. Young's modulus, shear modulus, and bulk modulus of samples measured by ultrasonic measurements can reach to 782±3GPa, 344±1GPa, and 348±2GPa, respectively. The hardness increases remarkably with the sintering temperature rising, and reaches to the highest value of 35.04±0.51GPa. For the cBN-Ti3Al sintering system, the X-ray diffraction patterns of composites reveal that the chemical reactions between cBN and Ti3Al occurred at 5.0GPa and 1300°C. The reaction mechanisms of both cBN-Ti3Al and cBN-Ti3Al-Al sintering systems are discussed in this paper.
KW - cubic boron nitride (cBN)
KW - elasticity modulus
KW - hardness
KW - high pressure high temperature (HPHT) sintering
KW - microstructure
UR - https://www.scopus.com/pages/publications/84871198618
U2 - 10.1080/08957959.2012.736507
DO - 10.1080/08957959.2012.736507
M3 - 文章
AN - SCOPUS:84871198618
SN - 0895-7959
VL - 32
SP - 524
EP - 531
JO - High Pressure Research
JF - High Pressure Research
IS - 4
ER -