Objective
WITH THE INTRODUCTION OF THINNER, STRONGER, HIGH STRENGTH STEELS FOR AUTOBODY WEIGHT REDUCTION, DESIGNERS ARE PAYING INCREASED ATTENTION TO THE FATIGUE AND CYCLIC STRESS-STRAIN PROPERTIES OF SUCH MATERIALS.
FATIGUE LIFE PREDICTION MODELS OF VEHICLE STRUCTURES ARE BECOMING INCREASINGLY SOPHISTICATED. HOWEVER, THE INTERPRETATION OF CUMULATIVE DAMAGE ANALYSIS DATA OBTAINED DURING THE TEST TRACK DRIVING IS NATURALLY LIMITED BY ANY SHORTCOMINGS IN INFORMATION RELATED TO THE BASIC CYCLIC PROPERTIES OF THE STEEL GRADE UNDER CONSIDERATION.
IN THE UNITED STATES IN PARTICULAR, MUCH RESEARCH WORK HAS BEEN CARRIED OUT IN RECENT YEARS ESTABLISHING THE CYCLIC PROPERTIES OF HIGH STRENGTH STEELS UNDER STRAIN CONTROLLED CONDITIONS (A SITUATION MORE RELATED TO COMPONENT IN-SERVICE PERFORMANCE THAN THE TRADITIONAL LOAD OR STRESS CONTROLLED TEST PROCEDURES).
WHILST MUCH WORK HAS BEEN CARRIED OUT ON AS-ROLLED HIGH STRENGTH STEELS IT IS NOT KNOWN TO WHAT EXTENT COLD WORK, INTRODUCED DURING SHEET METAL FORMING, MODIFIES THE CYCLIC STRESS STRAIN AND STRAIN-LIFE PROPERTIES.
IT IS THE AIM OF THIS RESEARCH TO SUBJECT A RANGE OF HIGH STRENGTH STEELS, I.E. REPHOSPHORIZED, HIGH STRENGTH LOW ALLOY, DUAL PHASE AND BAKE HARDENABLE GRADES TO DIFFERENT MODES OF FORMING STRAIN, SUCH AS BIAXIAL TENSION, PLANE STRAIN AND PURE SHEAR (FLANGE DRAWING) AND THEN TO DETERMINE THE RESULTING CYCLIC PROPERTIES AND FATIGUE PERFORMANCE FOR COMPARISON WITH MATERIAL NOT SUBJECTED TO PRIOR STRAIN.
THE RESULTS OF THIS WORK WILL PROVIDE A BETTER UNDERSTANDING OF THE IN-SERVICE FATIGUE PERFORMANCE OF HIGH STRENGTH STEELS AND WILL INDICATE WHETHER THE INFLUENCE OF PRIOR COLD WORK IS A NECESSARY FACTOR TO BE TAKEN INTO ACCOUNT IN THE DESIGN PROCESS.
THE STUDY IS SEEN AS AN EXTENSION TO THE RECENTLY COMPLETED PORSCHE-VDEH ECSC SUPPORTED PROGRAMME AND COMPLEMENTARY TO THE PRESENT STUDY ON THE INFLUENCE OF MICROSTRUCTURE ON CYCLIC PROPERTIES BEING CARRIED OUT AT THE BSC WELSH LABORATORY.
Fields of science (EuroSciVoc)
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
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Coordinator
S60 3AR ROTHERHAM
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.