Diffusion bonding of A2017 aluminium alloy

SSM 356-T6 aluminium alloys generally present low weldability by fusion methods because of the sensitivity to weld solidification cracking, porosities, change microstructure in weld zone and other defects in the fusion zone. Diffusion bonding can be deployed successfully with aluminium alloys. This paper presents the technique to conserve the globular weld structure of SSM 356-T6 aluminium alloy. The effect of joining parameters on the microstructure and mechanical properties of diffusion bonding butt joints of semi-solid metal 356-T6 aluminium alloy were investigated by conditions as follows: contact pressure at 0.4, 0.9, 1.8, 2.4 and 2.7 MPa, for 3 hours holding time and temperature at 495°C under argon atmosphere at 4 liters per minute. The results showed that condition used contact pressure 2.4 MPa, with 3 hours holding time and temperature at 495°C, under argon atmosphere provided. The highest joint strength reaching to 182.2 MPa, which had joint efficiency of 61.34 percents compared with base material. In addition, microstructure in welded zone after welding is still in globular structure, but the grain size was increased when the higher bonding temperature was used. The results of this investigation have shown that an average hardness is around 121.2 HV.

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Diffusion bonding of a titanium alloy to a stainless steel with an aluminium alloy interlayer

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/402/1/012124 ◽

2018 ◽

Vol 402 ◽

pp. 012124 ◽

Cited By ~ 2

Author(s):

K Chandrappa ◽

Amit Kumar ◽

Kumar Shubham

Keyword(s):

Stainless Steel ◽

Titanium Alloy ◽

Aluminium Alloy ◽

Diffusion Bonding

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Effect of Temperature and Micro structural Evolution of Magnesium and Aluminium Alloy using Vacuum Diffusion Bonding

International Journal of Engineering and Advanced Technology - Regular Issue ◽

10.35940/ijeat.f1178.0886s219 ◽

2019 ◽

Vol 8 (6S2) ◽

pp. 603-605

Keyword(s):

Surface Treatment ◽

Aluminium Alloy ◽

Diffusion Bonding ◽

Structural Evolution ◽

Effect Of Temperature ◽

Shear Tests ◽

Aluminum Composite ◽

Basic Strategy ◽

Magnesium Compound ◽

Set Up

This work is directed to acquire better understanding and portrayal of the dissemination holding of comparable and disparate metals. It additionally meant to get ideal parameters for dispersion holding of aluminum covering over magnesium compound with Aluminum composite. This work targets building up a basic strategy to get dispersion holding joints at moderately not ease. On one hand, the exploration is expected to set up a strategy. This technique is concocted to contemplate the physical wonders that have huge effect on dissemination holding, for example, time, temperature, weight on joints and metallurgical qualities. Elastic and shear tests are to be directed. This work is directed to acquire better understanding and portrayal of the dispersion holding of comparable and unique metals. It likewise intended to ge t ideal parameters for dissemination holding of aluminum covering over magnesium combination with aluminum composite. These two metals are jointed inside the kick the bucket in the wake of completing surface treatment. At that point the bite the dust is kept inside the dispersion holding machine by shifting the time, temperature, weight by methods for burden.

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