2016 Fiscal Year Final Research Report
Development of automotive wire harness and high deflection spring for reducing environmental burden and energy saving
| Project/Area Number |
26420745
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Material processing/Microstructural control engineering
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| Research Institution | Tokai University |
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Principal Investigator |
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Keywords | 塑性加工 / 引抜き / ワイヤハーネス / 軽量化 / 延性向上 / 交互引抜き |
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| Outline of Final Research Achievements |
Wires for automotive wiring harness are produced by wire drawing, and not only high tensile strength but also high ductility and high fatigue strength are required for them. Ductility of the drawn wire decreases as the frequency of wire drawing increases. In this study, alternately drawn wires and unidirectionally drawn wires of 99.77% total reduction were prepared, and the effect of alternate drawing on mechanical properties and texture of drawn wires were examined by tensile test, torsion test, fatigue test, FEM analysis and crystal texture analysis by EBSD. Tensile strength of alternately drawn wires represented more than 160MPa which is the strength required for wiring harnesses, and breaking strain of alternately drawn wires is 0.01 higher than that of unidirectionally drawn wires.
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| Free Research Field |
材料加工
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