نتایج جستجو برای: trip steel
تعداد نتایج: 91581 فیلتر نتایج به سال:
TRIP (TRansformation- lnduced- Plasticity) behavior is a powerful mechanism to improve mechanical properties. The basis of TRIP phenomena is the transformation of retained austenite with optimum characteristics (volume fraction, stability, size and morphology) to martensite during deformation at room temperature. Accordingly, the first requirement to obtain desired TRIP effects is to produce an...
Themechanical performanceofTRIP-120, a novel transformation induced plasticity steel alloy, is evaluated for different loading cases and strain rates. The performance is compared with HSLA-100, a lowalloy steel developed by the United States Navy and currently used in naval hulls. The response of these materials under uniaxial tension and shear was investigated to the point of fracture at isoth...
E. Jimenez-Melero,* N.H. van Dijk, L. Zhao, J. Sietsma, S.E. Offerman, J.P. Wright and S. van der Zwaag Fundamental Aspects of Materials and Energy, Faculty of Applied Sciences, Delft University of Technology, Mekelweg 15, 2629 JB Delft, The Netherlands Department of Materials Science and Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands European Synchrotro...
in this work, dynamic mechanical properties of three high-manganese steels with trip/twip or fully twip characteristics are studied. high strain rate experiments in the range of true strain rates between ~500 and 1800 /s are conducted using a dynamic torsional testing setup. all the three steels show a positive strain rate sensitivity in the intermediate range of strain rates (up to 500 /s). bu...
A combination of the high damage tolerance of TRIP-steel and the extremely low thermal conductivity of partially stabilized zirconia (PSZ) can provide controlled thermal-mechanical properties to sandwich-shaped composite specimens comprising these materials. Sintering the (TRIP-steel-PSZ)/PSZ sandwich in a single step is very difficult due to differences in the sintering temperature and densifi...
The quantitative characterization of the microstructure evolution in high-Mn steel during deformation is of great importance to understanding its strain-hardening behavior. In the current study, in situ high-energy synchrotron X-ray diffraction was employed to characterize the microstructure evolution in a Fe-17Mn-1.5Al-0.3C steel during a tensile test. The microstructure at different engineeri...
پدیده transrormation induced plasticity اولین بار در آلیاژ های fe-ni مشاهده شد، که در اثر وقوع این پدیده، شکل پذیری فولادهای استحکام بالا، افزایش می یابد. این پدیده علاوه بر ترکیب شیمیایی فولاد نیاز به سیکل ترمودینامیکی خاصی دارد تا استحاله را کنترل کند فولادهای trip ترکیب مناسبی از استحکام، داکتیلیتی، چقرمگی و مقاومت به خوردگی را دارا می باشند. به دلیل خاصیت جذب انرژی بالا، این فولاد ها امروزه...
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