Browsing Engineering (Faculty of) by Subject "Formability"
Now showing items 1-9 of 9
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Characterization and Modelling of 3rd Generation Advanced High Strength Steel Automotive B-pillars from Forming to Crash
(University of Waterloo, 2022-09-26)This thesis investigates the application of 3rd Generation Advanced High-Strength Steels (3rd Gen AHSS) with ultimate tensile strengths of 980 and 1180 MPa to the forming and crash performance of an automotive B-pillar. ... -
A Component-Level Study on the Effect of Warm Forming on Formability and Springback of Aluminum Alloy Brazing Sheet
(University of Waterloo, 2018-01-23)This thesis investigates the effect of warm forming (up to 350⁰C) on the formability and springback behavior of AA3003/AA4045 brazing sheet (0.2 mm gauge) for three temper conditions: O-, H22- and H24-tempers. The geometry ... -
Constitutive Behaviour and Formability of Pre-aged AA7075 Sheet in a Warm Forming Process
(University of Waterloo, 2021-10-19)Warm constitutive and formability characterization of a high strength aluminum alloy (AA7075) was performed for a range of pre-aged (i.e. under-aged) tempers, strain rates and temperatures. The pre-aging processes were ... -
The Effect of Weld Design on the Formability of Laser Tailor Welded Blanks
(University of Waterloo, 2010-08-25)Tailor welded blanks (TWBs) are used in the automotive industries as a method to meet economic, environmental and governmental demands. Conventionally, TWBs incorporated mild and low strength steels such as interstitial ... -
Effects of Laser Welding on Formability Aspects of Advanced High Strength Steel
(University of Waterloo, 2008-01-24)Limiting dome height (LDH) tests were used to evaluate the formability of both base metal and laser butt welded blanks of AHSS (including High strength low alloy (HSLA), Dual phase (DP) steels of different grades). ... -
Formability of Polycarbonate
(University of Waterloo, 2009-01-13)Current thermoplastic processing techniques involve high capital costs for moulds and significant use of energy to melt or soften the materials. Single-step process cold forming techniques, such as stretch forming, could ... -
Laser Welding of Medium-Manganese Steel
(University of Waterloo, 2016-08-31)Medium-Manganese (MMn) third generation advanced high strength steel (AHSS) was joined using laser welding. The effects of rapid heating and cooling thermal cycles imposed by laser welding on MMn steel was investigated. ... -
Modelling Microstructure-Property Relationships in Polycrystalline Metals using New Fast Fourier Transform-Based Crystal Plasticity Frameworks
(University of Waterloo, 2019-02-04)The present thesis develops several new full-field, fast Fourier transform (FFT)-based crystal plasticity modelling tools for microstructure engineering. These tools are used to explore elasto-viscoplastic deformation, ... -
On the Influence of the Through-Thickness Strain Gradients for Characterization of Formability and Fracture of Sheet Metal Alloys
(University of Waterloo, 2019-01-25)The main focus of this thesis is to investigate the effect of through-thickness strain gradient on sheet metal formability. Current technology for formability analysis has relied upon deformation modes of in-plane stretching ...