Dheerendra Kumar Dwivedi

TL;DR: In this paper, various technological aspects related to adhesive wear of cast aluminium-silicon (Al-Si) alloys are described and discussed, and a number of hypothesis and theories have been proposed in order to explain the different phenomenon related with wear and friction, and influence of test parameters (such as load, sliding speed, counter-surface) and work material properties (like mechanical and metallurgical) on tribological behaviour of aluminium and silicon alloys have been presented and discussed.

TL;DR: A high strength Al-Zn-Mg alloy AA7039 was friction stir welded by varying welding and rotary speed of the tool in order to investigate the effect of varying welding parameters on microstructure and mechanical properties as mentioned in this paper.

TL;DR: In this article, the effect of post weld heat treatment (T 6 ) on the microstructure and mechanical properties of friction stir welded 7039 aluminium alloy has been investigated and shown that the decrease in yield strength of welds is more serious than decrease in ultimate tensile strength.

TL;DR: In this article, the influence of the submerged arc welding (SAW) process parameters (welding current and welding speed) on the microstructure, hardness, and toughness of HSLA steel weld joints was investigated.

TL;DR: In this article, five different post weld heat treatments were applied to friction stir welded joints of Al-Zn-Mg aluminum alloy AA7039 to investigate their effect on microstructure and mechanical properties.