Browsing Mechanical and Mechatronics Engineering by Subject "Resistance Spot Welding"
Now showing items 1-8 of 8
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Effects of Martensite Tempering on HAZ-Softening and Tensile Properties of Resistance Spot Welded Dual-Phase Steels
(University of Waterloo, 2010-09-30)The main purpose of this thesis is to improve the fundamental knowledge of non-isothermal tempering of martensite phase and its effects on the reduction in hardness (softening) with respect the base metal occurring at the ... -
Electrode Life and Weldability Improvement in Resistance Spot Welding of DP600
(University of Waterloo, 2017-09-06)This thesis demonstrates effective methods to improve weldability and electrode life in resistance spot welding (RSW) of zinc coated advanced high strength steel. Six kinds of electrodes were investigated to determine the ... -
Fracture Mechanisms in Resistance Spot Weld of Magnesium Alloys
(University of Waterloo, 2015-06-19)The automotive industry is adopting the application of magnesium and magnesium alloys in order to produce light-weight auto-body structures. Therefore, it is essential to evaluate the load bearing capability of these metals ... -
Investigation of Resistance Spot Weld Failure in Tailored Hot Stamped Assemblies
(University of Waterloo, 2018-01-23)This thesis presents the results from the mechanical characterization of resistance spot welds within hot stamped USIBOR® 1500-AS steel sheet (1.2 and 1.6 mm thickness) with tailored properties. Three parent metal conditions, ... -
Liquid metal embrittlement cracking in dissimilar resistance spot welding of 3rd Gen – Advanced high strength steel: mitigation methods and associated mechanisms
(University of Waterloo, 2022-12-19)In response to the automotive industries demands for safer, lighter, and more environmentally friendly vehicles, the third generation of advanced high-strength steels (3G-AHSS) has been developed to have both high strength ... -
Resistance Spot Welding and In-Process Heat Treatment of Hot Stamped Boron Steel
(University of Waterloo, 2016-03-15)Escalating environmental concerns have prompted efforts to reduce vehicle weight and carbon emissions, resulting in increased application of advanced high strength steels (AHSS). 22MnB5 hot stamping grade AHSS, namely ... -
Resistance Spot Welding of Al to Mg with Different Interlayers
(University of Waterloo, 2013-08-22)In order to meet the increasing fuel efficiency requirements, the automotive industry has strived for component weight reduction in order to improve the performance of automotive vehicles through the use of light Al and ... -
Some Influences of Tribology in Resistance Spot Welding of Aluminum Alloys
(University of Waterloo, 2008-01-24)The influence of the tribology during resistance spot welding (RSW) of aluminum alloy 5182 with spherical-tip electrode has been investigated at both the electrode-worksheet (E/W) and faying surface (FS) interfaces. In ...