An alloy of titanium, the metal element that makes up titanium alloy rods. It is a Ti-Al-Sn-Zr-Mo-W-Si alloy system a+β-type heat-strength titanium alloy with excellent comprehensive performance. It has both the high thermal strength of TA2 alloy and the thermal stability of TA1 alloy, and is suitable for long-term work at 500 ~ 550 ° C.
According to reports, the working time can reach 6000h below 500°C and 3000h at 550°C. Therefore, TC4 titanium alloy is an ideal heat-strength titanium alloy for engines, which can be used to manufacture aerospace engine compressor parts. The alloy can be processed into titanium alloy forgings, bars, die forgings and other forms of products.
The researchers studied the effects of different solution temperatures and cooling methods on the microstructure and properties of BT25 titanium alloy forgings. The results show that the microstructure of air-cooled is finer than that of furnace-cooled at the same solid solution temperature. The solution temperature is above the phase transition temperature, and the strength of the air-cooled one is higher than that of the furnace-cooled room temperature, but the impact toughness and plasticity index change little. The phase transition temperature is above the solid solution temperature. Under the uniform solid solution temperature, the room temperature strength of air cooling is slightly higher than that of furnace cooling, the impact toughness and section shrinkage are much higher, the elongation does not change much, but the yield strength decreases slightly. The high temperature strength showed a slight improvement trend with the progress of the cooling rate, and the plasticity index did not change significantly. The solid solution temperature is 30 ~ 40°C below the phase transition point, the heat preservation is 2h air cooling + 550°C, and the 6h air cooling heat treatment rail system can ensure the best combination of plasticity and strength of the alloy.
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Nicole
Company: Baoji Jimiyun Dynamic Co., Ltd
Cuntry:China
Add:Baoti road,Jintai,Baoji city,Shaanxi,China
Cel:+86 13369210920
Gmail:nicole@jmyunti.com
Website:www.jm-titanium.com
