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Tensile and spring-back behavior of DP600 advanced high strength steel at warm temperatures

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Abstract

In recent years, the use of advanced high strength steels in automotive industry has been increased remarkably. Among advanced high strength steels, dual phase (DP) steels have gained a great attention owing to a combination of high strength and good formability. However, high strength usually increases the spring-back behavior of the material, which creates problems for the parts during the assembly. Thus, the uniaxial tensile deformation and spring-back behaviors of DP600 advanced high strength steel were investigated in rolling (0°), diagonal (45°), and transverse (90°) directions in the temperature range from room temperature (RT) to 300 °C. All tests were performed at a deformation speed of 25 mm/min. A V-shaped die (60°) was used for the spring-back measurements. The results indicated that the formability and spring-back of the material were decreased with increasing the temperatures. The material showed complex behaviors in different directions and at different temperatures.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Nigde University, 51245, Nigde, Turkey

    F Ozturk (Doctor, Assistant Professor), S Toros & S Kilic

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  1. F Ozturk
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  2. S Toros
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  3. S Kilic
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Correspondence to F Ozturk.

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Foundation Item: Item Sponsored by Scientific and Technological Research Council of Turkey (107M596)

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Ozturk, F., Toros, S. & Kilic, S. Tensile and spring-back behavior of DP600 advanced high strength steel at warm temperatures. J. Iron Steel Res. Int. 16, 41–46 (2009). https://doi.org/10.1016/S1006-706X(10)60025-8

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  • DOI: https://doi.org/10.1016/S1006-706X(10)60025-8

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