Effect of cooling rates on solidification, microstructure and mechanical properties in tungsten

CrystEngComm ◽  
2019 ◽  
Vol 21 (26) ◽  
pp. 3930-3938 ◽  
Author(s):  
Sixu Li ◽  
Shiyong Cui ◽  
Haotian Chen ◽  
Jia Li ◽  
Hongtao Huang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Nuclear Fusion ◽  
Solidification Microstructure ◽  
Promising Candidate ◽  
Cooling Rates ◽  
High Temperature Properties ◽  
Microstructure And Mechanical Properties ◽  
Facing Material

Tungsten with its excellent high-temperature properties would be a most promising candidate as a plasma-facing material at the divertor in a nuclear fusion plant.

Cold Bending of Advanced Ferritic Steels: ASTM Grades T23, T91, T92

2009 ◽  
Author(s):  
Leonardo Cipolla ◽  
Augusto Di Gianfrancesco ◽  
Stefano Caminada ◽  
Giuseppe Cumino
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Creep Resistance ◽  
Heat Treatments ◽  
Ferritic Steels ◽  
Creep Properties ◽  
High Temperature Properties ◽  
Microstructure And Mechanical Properties ◽  
Cold Bending

The metallurgical background of advanced ferritic steels must be considered during every stage of fabrication, including during forming operations, such as cold bending, because they can negatively affect the high temperature properties of the material if they are not performed properly. In this work, the results of a broad cold bending program carried out on ASTM Grades T23, T91 and T92 tubes are presented: the microstructure and the mechanical properties at extrados and intrados positions were investigated and compared with properties of unbent materials. Creep properties were assessed by means of specimens directly machined from extrados and intrados of real bends. This paper aims to integrate the International Codes for cold bending with recommendations for proper post bending heat treatments, in order to obtain a final component with the desired microstructure and mechanical properties, including optimum creep resistance.

scholarly journals Mo Addition to the A354 (Al–Si–Cu–Mg) Casting Alloy: Effects on Microstructure and Mechanical Properties at Room and High Temperature

Metals ◽  
2018 ◽  
Vol 8 (6) ◽  
pp. 393 ◽  
Author(s):  
Alessandro Morri ◽  
Lorella Ceschini ◽  
Simone Messieri ◽  
Emanuela Cerri ◽  
Stefania Toschi
Keyword(s):  
Mechanical Properties ◽  
High Temperature ◽  
Casting Alloy ◽  
Microstructure And Mechanical Properties

Effect of Hot Processing on Mircrostructure and Properties of Flat Billets of TA15 Titanium Alloy

2021 ◽  
Vol 1016 ◽  
pp. 906-910
Author(s):  
Xin Hua Min ◽  
Cheng Jin
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Titanium Alloy ◽  
High Temperature ◽  
Room Temperature ◽  
High Strength ◽  
Slow Cooling ◽  
Microstructure And Mechanical Properties ◽  
Ta15 Titanium Alloy ◽  
The Ideal

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.

Microstructure and Mechanical Properties of Mg-Based Composites Reinforced with TiB2 Particles

2014 ◽  
Vol 900 ◽  
pp. 141-145 ◽  
Author(s):  
Can Feng Fang ◽  
Guang Xu Liu ◽  
Ling Gang Meng ◽  
Xing Guo Zhang
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Composite Material ◽  
High Temperature ◽  
The Self ◽  
Al Alloy ◽  
Temperature Synthesis ◽  
Microstructure And Mechanical Properties ◽  
High Temperature Synthesis

The effects of in-situ TiB2 particle fabricated from Al-Ti-B system via the self-propagating high-temperature synthesis (SHS) reaction technology on microstructure and mechanical properties of Mg-Sn-Zn-Al alloy were investigated. The results indicate that the size of the Mg2Sn and α-Mg+Mg32(Al,Zn)49 phase becomes coarser with the increasing content of Al-Ti-B preform, meanwhile the amount of eutectic α-Mg+Mg32(Al,Zn)49 phase increases too. The addition of Al-Ti-B is favorable toward promoting the strength of composites, but deteriorates elongation. The resulting as-extruded composite material with 4 wt.% Al-Ti-B preform exhibits good overall mechanical properties with an ultimate tensile strength of 291 MPa and an elongation over 2 %.

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