Strength Evaluation of GFRP/Stainless-steel Adhesive Joints Subjected to Tensile Shear load

2003 ◽  
Vol 2003.11 (0) ◽  
pp. 109-110
Author(s):  
Masaaki IWASA ◽  
Toshio HATTORI
Keyword(s):  
Stainless Steel ◽  
Adhesive Joints ◽  
Shear Load ◽  
Tensile Shear ◽  
Strength Evaluation

Optimization of Parameters and Research on Joint Microstructure of Resistance Spot Welding for 316 Stainless Steel

2013 ◽  
Vol 652-654 ◽  
pp. 2326-2329 ◽  
Author(s):  
Hui Liu ◽  
Xue Dong Xu ◽  
Xiao Qing Zhang
Keyword(s):  
Stainless Steel ◽  
Resistance Spot Welding ◽  
Spot Welding ◽  
Welding Current ◽  
Shear Load ◽  
Welding Time ◽  
Tensile Shear ◽  
316 Stainless Steel ◽  
Resistance Spot ◽  
Electrode Force

The experimental investigations on resistance spot welding are presented for 316 stainless steel. The influence of spot welding parameters (welding time, electrode force and welding current) on the tensile shear load and the diameter of nugget have been researched, based on an orthogonal test and analysis method. The results show that welding current has significant influence on the tensile shear load and diameter of nugget, and then is electrode force, welding time in turn. The optimum parameters are as follows: welding time is 5 cycles, electrode force is 3.5KN and welding current is 5.5KA. And the maximum tensile shear force of joint is up to 13.55KN.

Influence of resistance spot welding process parameters on dissimilar austenitic and duplex stainless steel welded joints

2020 ◽  
pp. 095440892093352
Author(s):  
Vignesh Krishnan ◽  
Elayaperumal Ayyasamy ◽  
Velmurugan Paramasivam
Keyword(s):  
Stainless Steel ◽  
Duplex Stainless Steel ◽  
Shear Fracture ◽  
Welding Current ◽  
Fracture Load ◽  
Welding Parameters ◽  
Shear Load ◽  
Tensile Shear ◽  
Aisi 316 ◽  
Aisi 316 L

This paper examines the impact of welding parameters on tensile shear fracture load, nugget geometry and microstructure of resistance spot welds (RSW) of austenitic stainless steel AISI 316 L and duplex stainless steel 2205 under lap shear loading condition. The macroscopic examination resulted that many of the nugget lengths were nearer to and higher than the AWS recommended value 4√t and failed at higher tensile shear load. Nugget height for DSS 2205 side was higher in comparison with AISI 316 L due to higher thermal conductivity of duplex stainless steel. Three welding parameters mainly welding current of 9 kA, heating cycle of 9 and electrode tip diameter of 6 mm were discovered as most effectual parameters on the tensile shear load and microstructure of weldments. Heterogeneous hardness was observed in the fusion zone due to the transition of equiaxed to columnar grains takes place in the both sides of nugget edge. DSS HAZ nearby BM observed higher hardness and ASS HAZ nearby BM reported lower hardness. WMZ Microstructure confirmed that thickness of austenite layers increased with heat input. Also, an unmixed zone in the microstructure identified as HAZ which contains delta ferrite. Scanning Electron Microscope (SEM) images in the nugget zone for different welding parameters confirmed that Intra-Granular Austenite (IGA) highly developed at higher welding current. SEM fractrograph for the tensile sheared specimens at higher and lower heat input confirmed the ductile type fracture even failed at Inter-Facial (IF) mode. Nugget area and nugget hardness were positively correlated with Tensile Shear Fracture Load (TSFL).

scholarly journals Comparison of continuous and pulsed wave lasers in keyhole welding of stainless-steel to aluminium

2021 ◽  
Author(s):  
Julio Coroado ◽  
Supriyo Ganguly ◽  
Stewart Williams ◽  
Wojciech Suder ◽  
Sonia Meco ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Continuous Wave ◽  
Mechanical Tests ◽  
Shear Load ◽  
Tensile Shear ◽  
Weld Shape ◽  
Bonding Area ◽  
Overlap Joint ◽  
Temporal Mode ◽  
Process Energy

AbstractA continuous wave (CW) and a nanosecond pulsed wave (PW) lasers were used to join 1-mm thick sheets of SS304L (SS) austenitic stainless-steel to AA5251 (Al) aluminium alloy in an overlap joint configuration. The weld shape (penetration depth and width), intermetallic compounds concentration, weld quality (cracking and porosity) and mechanical strength were correlated with the process energy and compared between each laser temporal mode. Successful CW joints were produced with the SS sheet on top of the Al, but the opposite configuration revealed to be impossible for the range of parameters tested. The PW joints were successful with the Al sheet on top of SS, but all the joints cracked at the interface when the opposite configuration was used. The mechanical tests showed that even though it is possible to achieve higher tensile shear load in CW welds due to the larger bonding area, the tensile shear strength revealed to be almost 5 × higher for PW welds at similar applied energy.

20303 Strength Evaluation of Adhesively Wavy-lap Joints with Dissimilar Adherends under Tensile Shear Load

2015 ◽  
Vol 2015.21 (0) ◽  
pp. _20303-1_-_20303-2_
Author(s):  
Anzu SHOYAMA ◽  
Jyo SHIMURA ◽  
Takeharu HAYASHI ◽  
Shigeru KUROSAKI
Keyword(s):  
Lap Joints ◽  
Shear Load ◽  
Tensile Shear ◽  
Strength Evaluation

scholarly journals Comparison of Continuous and Pulsed Wave Lasers in Keyhole Welding of Stainless-Steel to Aluminium

2021 ◽  
Author(s):  
Julio Coroado ◽  
Supriyo Ganguly ◽  
Stewart Williams ◽  
Wojciech Suder ◽  
Sonia Meco ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Continuous Wave ◽  
Mechanical Tests ◽  
Shear Load ◽  
Tensile Shear ◽  
Weld Shape ◽  
Bonding Area ◽  
Overlap Joint ◽  
Temporal Mode ◽  
Process Energy

Abstract A continuous wave (CW) and a nanosecond pulsed wave (PW) lasers were used to join 1 mm thick sheets of SS304L (SS) austenitic stainless-steel to AA5251 (Al) aluminium alloy in an overlap joint configuration. The weld shape (penetration depth and width), intermetallic compounds concentration, weld quality (cracking and porosity) and mechanical strength were correlated with the process energy and compared between each laser temporal mode. Successful CW joints were produced with the SS sheet on top of the Al, but the opposite configuration revealed to be impossible for the range of parameters tested. The PW joints were successful with the Al sheet on top of SS, but all the joints cracked at the interface when the opposite configuration was used. The mechanical tests showed that even though it is possible to achieve higher tensile shear load in CW welds due to the larger bonding area, the load per unit of weld length revealed to be almost 5x higher for PW welds at similar applied energy.

Improving the Tensile Shear Load of Al–Mg–Si Alloy FSLW Joint by BPNN–GA

2021 ◽  
Author(s):  
Ruixiu Guo ◽  
Wei Hu ◽  
Qi Song ◽  
Shude Ji ◽  
Weiwei Qi ◽  
...  
Keyword(s):  
Shear Load ◽  
Tensile Shear
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