Results 1 to 10 of about 61 (42)
Sac Metal Malzemelerin Ilık Derin Çekme Yöntemiyle Şekillendirme Prosesinde Malzeme Karekterizasyonu [PDF]
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, 2015 Ilık derin çekme yöntemiyle şekillendirme prosesinde malzeme karakterizasyonu önemli bir aşamadır. Bu çalışmada; 1,2 mm ve 1,5 mm sac kalınlıklarında HC300LA (Erdemir 7128) ve HC420LA (Erdemir 7140) sac malzemelerinin ılık derin çekme ile şekillendirme ...
Naci Kurgan, Nuri Şen
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IMPACT OF STRAIN RATE ON MICROALLOYED STEEL SHEET BREAKING
Acta Polytechnica, 2014 Strain rate is a significant external factor and its influence on material behavior in forming process is a function of its internal structure. The contribution is analysis of the impact of loading rate from 1.6 x 10-4 ms-1 to 24 ms-1 to changes in the ...
Mária Mihaliková +2 more
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Materials & Design, 2022 A connectivity-constrained optimization methodology based on a discretized particle swarm optimization (PSO) algorithm is proposed for the continuum structural design of a magnetic pulse welding coil.
Sen Lin +7 more
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Experimental research on warm deep drawing of HC420LA grade sheet material
The International Journal of Advanced Manufacturing Technology, 2016 The use of high-strength sheet material applications in the automotive industry has become widespread due to their high strength/weight ratios. The formability, however, of these high-strength sheet materials is limited at room temperatures (RTs).
Sen, Nuri +2 more
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Production of high-strength cold-rolled strip from microalloyed HC420LA steel in accordance with European standards [PDF]
Steel in Translation, 2012 In accordance with the EN 10268:2006 standard, a technology for the production of high-strength cold-rolled strip (thickness 1.8 mm) from microalloyed HC420LA steel has been developed and introduced at OAO Magnitogorskii Metallurgicheskii Kombinat (MMK). The technology is regarded as satisfactory and permits efficient order fulfillment. In 2011, ∼850 t
A. V. Gorbunov +4 more
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Advanced Engineering Materials, 2020 Herein, 6016 aluminum alloy is joined to HC420LA high‐strength steel by resistance spot welding technology with two kinds of cover plates. The morphology and microstructure of the joint are observed by optical microscopy and scanning electron microscopy.
Xiao Zhenkang +3 more
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Materials Research ExpressThe studying employed orthogonal experimental approach to optimize the laser welding process parameters for HC420LA low-alloy high-strength steel.
Weiji Li, Aixin Feng, Yu Wang, Jun Wang
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ANÁLISE NUMÉRICA E EXPERIMENTAL DAS TENSÕES RESIDUAIS GERADAS NA LAMINAÇÃO A FRIO DO AÇO HC420LA
Procceedings of the 11th Brazilian Congress on Manufacturing Engineering, 2021 Katarine Tavares +2 more
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Bu çalışma, yüksek mukavemetli ve düşük alaşımlı (YDDAÇ / HSLA) HC420LA çeliğinin lazer kaynağında BS EN ISO 13919-1:2019'a göre tespit edilen süreksizlikleri ve kusurları en az seviyeye indirmeyi amaçlamaktadır. Kusur olarak tespit edilen olguların giderilmesi için, 2 mm sac kalınlığı için uygulamadaki ısı girdisi olan 0,168 kJ/mm değeri değiştirilmiş
Kobak, Cemil
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Materials, 2023 Laser shock peening is a promising surface strengthening technology that can effectively improve the mechanical properties of materials. This paper is based on the laser shock peening process for HC420LA low-alloy high-strength steel weldments. Contrast analysis of the evolution of the microstructure, residual stress distribution and mechanical ...
Yu Wang +5 more
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