Heat treatment of high-strength pseudo-β-titanium alloy produced by ebm process and of its welded joints

2020 ◽  
Vol 2020 (1) ◽  
pp. 14-25
Author(s):  
S.V. Akhonin ◽  
◽  
V.Yu. Bilous ◽  
R.V. Selin ◽  
I.K. Petrichenko ◽  
...  
2018 ◽  
Vol 2018 (7) ◽  
pp. 10-14 ◽  
Author(s):  
S.V. Akhonin ◽  
◽  
V.Yu. Belous ◽  
R.V. Selin ◽  
E.L. Vrzhyzhevsky ◽  
...  

2018 ◽  
Vol 2018 (7) ◽  
pp. 12-17 ◽  
Author(s):  
S.V. Akhonin ◽  
◽  
V.Yu. Belous ◽  
R.V. Selin ◽  
E.L. Vrzhyzhevsky ◽  
...  

2021 ◽  
Vol 1016 ◽  
pp. 906-910
Author(s):  
Xin Hua Min ◽  
Cheng Jin

In this paper,effect of the different forging processes on the microstructure and mechanical properties of the flat flat billets of TA15 titanium alloy was investigated.The flat billiets of 80 mm×150 mm×L sizes of TA15 titanium alloy are produced by four different forging processes.Then the different microstrure and properties of the flat billiets were obtained by heat treatment of 800 °C~850 °C×1 h~4h.The results show that, adopting the first forging temperature at T1 °C、slow cooling and the second forging temperature at T2°C 、quick cooling, the primary αphases content is just 10%, and there are lots of thin aciculate phases on the base. This microstructure has both high strength at room temperature and high temperature, while the properties between the cross and lengthwise directions are just the same. So the hot processing of the first forging temperature at T1 °C、slow cooling and the second forging temperature at T2°C 、quick cooling is choosed as the ideal processing for production of aircraft frame parts.


2016 ◽  
Vol 673 ◽  
pp. 185-192 ◽  
Author(s):  
Changmeng Liu ◽  
Lu Yu ◽  
Ali Zhang ◽  
Xiangjun Tian ◽  
Dong Liu ◽  
...  

1987 ◽  
Vol 1 (5) ◽  
pp. 426-431
Author(s):  
Yu V Skul'skii ◽  
A E Grabezhov ◽  
V G Vasol'ev ◽  
T A Kornienko ◽  
G I Nemirovskii

2020 ◽  
pp. 73-79
Author(s):  
Lechosław Tuz

The use of technologically advanced structural materials entails the necessity of adjusting typical welding processes to special requirements resulting from the limited weldability of certain material groups. Difficulties obtaining high-quality joints may be the consequence of deteriorated mechanical properties and structural changes in materials (beyond requirements of related standards). One of the aforementioned materials is steel characterised by a guaranteed yield point of 1300 MPa, where high strength is obtained through the addition of slight amounts of carbide-forming elements and the application of complex heat treatment processes. A heat input during welding may worsen the aforesaid properties not only in the weld but also in the adjacent material. The tests discussed in the article revealed that the crucial area was that heated below a temperature of 600°C, where the hardness of the material decreased from approximately 520 HV to 330 HV.


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