Comparison of Porosity Evaluation Methods Using the Example of Dissimilar Metal Joints

2019 ◽  
Vol 822 ◽  
pp. 129-134
Author(s):  
Dmitry Kurushkin ◽  
Igor Mushnikov ◽  
Evgenii Rylkov ◽  
Fedor Y. Isupov ◽  
Oleg Panchenko ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Cross Sections ◽  
Evaluation Methods ◽  
Coated Steel ◽  
Dissimilar Metal ◽  
Relative Porosity ◽  
Zinc Coated Steel ◽  
3D Methods ◽  
2D And 3D ◽  
Measured Volume

Welded metal porosity significantly influences the mechanical properties of dissimilar metal joints. In this study, the comparison of porosity evaluation methods was held using the sample of welded-brazed zinc coated steel and Al-Mg-alloy plates joint. Relative porosity was measured through cross-sections’ images area analysis, as well as it was evaluated through 3D-fitting of spotted on these images pores. Area and size of pores was measured, volume and distribution were evaluated. It was found that relative porosity values estimated by 2D and 3D methods are equal.

Effect of Insert Material on Microstructure and Strength of Aluminum Alloy to Zinc-Coated Steel Dissimilar Metal Weld

2021 ◽  
Author(s):  
Luke Walker ◽  
Byoung Ou ◽  
Scott Hunter ◽  
Ying Lu ◽  
Colleen Hilla ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Coated Steel ◽  
Dissimilar Metal ◽  
Zinc Coated Steel ◽  
Dissimilar Metal Weld ◽  
Metal Weld

Microstructure and Mechanical Properties of Aluminum/Stainless Steel Joints Welded by Different Weld Heat Input

2011 ◽  
Vol 189-193 ◽  
pp. 3253-3256
Author(s):  
Hong Tao Zhang ◽  
Jia Kun Liu ◽  
Hong Yun Zhao
Keyword(s):  
Mechanical Properties ◽  
Heat Input ◽  
Filler Metal ◽  
Dissimilar Metals ◽  
Coated Steel ◽  
Microstructure And Mechanical Properties ◽  
Zinc Coated Steel ◽  
Interfacial Intermetallic Compound ◽  
Steel Joints ◽  
Aluminum Base

Dissimilar metals joints between aluminum and zinc-coated steel were joined by CMT machine with ER4043 filler metal. The microstructure and mechanical properties of the joints obtained with different heat input were analyzed. The results showed that the thickness of interfacial intermetallic compound was determined by the welding heat input. Tensile specimens were broken in HAZ of aluminum base metal and the tensile strength of the joint can reach 122.3MPa.

scholarly journals Investigation of the mechanical properties of a squeeze-cast LM6 aluminium alloy reinforced with a zinc-coated steel-wire mesh

2018 ◽  
Vol 52 (2) ◽  
pp. 125-131 ◽  
Author(s):  
S. J. S. Chelladurai ◽  
R. Arthanari ◽  
K. Krishnamoorthy ◽  
K. S. Selvaraj ◽  
P. Govindan
Keyword(s):  
Mechanical Properties ◽  
Aluminium Alloy ◽  
Steel Wire ◽  
Wire Mesh ◽  
Coated Steel ◽  
Squeeze Cast ◽  
Zinc Coated Steel ◽  
Steel Wire Mesh

Friction Stir Lap Joining of AC4C Cast Aluminum Alloy and Zinc-Coated Steel

2008 ◽  
Vol 580-582 ◽  
pp. 371-374 ◽  
Author(s):  
Y.C. Chen ◽  
T. Komazaki ◽  
Y.G. Kim ◽  
Takuya Tsumura ◽  
Kazuhiro Nakata
Keyword(s):  
Mechanical Properties ◽  
Aluminum Alloy ◽  
Intermetallic Compounds ◽  
Welding Speed ◽  
Base Material ◽  
Cast Aluminum Alloy ◽  
Coated Steel ◽  
Cast Aluminum ◽  
Friction Stir ◽  
Zinc Coated Steel

AC4C cast aluminum alloy and zinc-coated steel were friction stir lap welded, and the microstructures and mechanical properties of the joints were examined and analyzed. Experimental results show that the welding speeds have a significant effect on the tensile properties and fracture locations of the joints at a rotational speed of 1500 rpm. When the welding speed is higher than 60 mm/min, the joints fracture in the zinc-coated steel base material and the tensile strength is equal to that of the zinc-coated steel; when the welding speed is lower than 60 mm/min, the joints fracture in the interface and the shear strength is about 50 MPa. The change of the fracture locations is attributed to the presence of large quantity intermetallic compounds adjacent to the interface of the joints. The composition and formation mechanism of the intermetallic compounds and its effect on the mechanical properties of the joints were discussed.

Effect of Insert Material on Microstructure and Strength of Aluminum Alloy to Zinc-Coated Steel Dissimilar Metal Weld

2021 ◽  
Author(s):  
Luke Walker ◽  
Byoung Ou ◽  
Scott Hunter ◽  
Ying Lu ◽  
Colleen Hilla ◽  
...  
Keyword(s):  
Aluminum Alloy ◽  
Coated Steel ◽  
Dissimilar Metal ◽  
Zinc Coated Steel ◽  
Dissimilar Metal Weld ◽  
Metal Weld
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