Molybdenum alloys and titanium alloys were sintered at 1 473K for 1 h under a pressure of 30 MPa. It was found that the addition of Al can increase evidently the relative density of sintered Mo Fe alloys. The Fe Al ad...Molybdenum alloys and titanium alloys were sintered at 1 473K for 1 h under a pressure of 30 MPa. It was found that the addition of Al can increase evidently the relative density of sintered Mo Fe alloys. The Fe Al additives are also suitable for the sintering of titanium alloys, and the Mo alloy and Ti alloy can be densified concurrently with the same additives 3%Fe 1.5%Al. The experimental results also showed that during the sintering of Mo Ti alloys the Fe Al sintering aids promoted the formation of Mo Ti solid solution, but the solid solution reaction occurred at the low sintering temperature of 1 473 K is inadequate. Finally, Mo Ti system functionally graded material has been successfully fabricated. Its density changed gradually from 9.52 g/cm 3 to 4.48 g/cm 3 in thickness direction. Such a material can be used in dynamic high pressure technology.展开更多
文摘Molybdenum alloys and titanium alloys were sintered at 1 473K for 1 h under a pressure of 30 MPa. It was found that the addition of Al can increase evidently the relative density of sintered Mo Fe alloys. The Fe Al additives are also suitable for the sintering of titanium alloys, and the Mo alloy and Ti alloy can be densified concurrently with the same additives 3%Fe 1.5%Al. The experimental results also showed that during the sintering of Mo Ti alloys the Fe Al sintering aids promoted the formation of Mo Ti solid solution, but the solid solution reaction occurred at the low sintering temperature of 1 473 K is inadequate. Finally, Mo Ti system functionally graded material has been successfully fabricated. Its density changed gradually from 9.52 g/cm 3 to 4.48 g/cm 3 in thickness direction. Such a material can be used in dynamic high pressure technology.