Results 1 to 10 of about 85 (33)

Study on the Microstructure and Properties of Welded Joints of Laser Shock Peening on HC420LA Low-Alloy High-Tensile Steel. [PDF]

Materials (Basel), 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 ...
Wang Y, Feng A, Pan X, Chen C, Wei Y, Wang J.   +5 more
europepmc   +5 more sources

Magnetic Pulse Welding of Dissimilar Materials: Weldability Window for AA6082-T6/HC420LA Stacks

Metals
Magnetic pulse welding (MPW) is a promising solid-state joining process that utilizes electromagnetic forces to create high-speed, impact-like collisions between two metal components.
Mario A. Renderos Cartagena, Edurne Iriondo Plaza, Amaia Torregaray Larruscain, Marie B. Touzet-Cortina, Franck A. Girot Mata   +4 more
doaj   +4 more sources

Experimental research on warm deep drawing of HC420LA grade sheet material [PDF]

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, Karaagac, Ibrahim, Kurgan, Naci   +2 more
semanticscholar   +11 more sources

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, Miroslav Német, Marek Vojtko   +2 more
doaj   +4 more sources

Effect of laser welding parameters on the microstructure and tensile properties of low-alloy high-strength steel

Materials Research Express
The 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
doaj   +3 more sources

Assessment of Pinless Tools Efficiency in FSSW of Thick High-Strength Low-Alloy Steels for Structural Lap Joints

Journal of Manufacturing and Materials Processing
In this study, the maximum achievable weldable thickness in spot welding with pinless tools was investigated by welding multiple stacks of 1 mm thick high-strength steel HC420LA.
David Gomes Andrade, Sree Sabari, Carlos Leitão, Dulce M. Rodrigues   +3 more
doaj   +3 more sources

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 ...
Nuri ŞEN, Naci KURGAN
doaj   +9 more sources

Mechanical degradation of magnetic pulse welded Al–Fe joint in neutral salt environment

Journal of Materials Research and Technology, 2021
The urgent need in lightweight of vehicle body promoted the application of multi materials with high specific strength, and this involves the reliable welding of dissimilar materials.
Huihui Geng, Junjia Cui, Guangyao Li, Jingqi Mao, Liang Ye   +4 more
doaj   +2 more sources

Topological optimization of magnetic pulse welding coils with a connectivity-constrained particle swarm optimization algorithm

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, Nengzhuo Chou, Yujia Zhao, Yangfan Qin, Hao Jiang, Junjia Cui, Guangyao Li, Yi Min Xie   +7 more
doaj   +2 more sources

Microstructural Evolution and ISO-Based Weld Quality in MAG and Laser Welding of HC420LA Steel Under Different Heat Inputs

Crystals
In this study, HC420LA steel plates joined by gas metal arc welding (MAG), manual laser welding (ML), and robotic laser welding (RL) were comparatively examined under heat input (HI) levels obtained from an active production line exhibiting weld defects.
Cemil Kobak, Arzum Işıtan
doaj   +2 more sources