Results 71 to 80 of about 2,526 (155)

The Role of Shot on Phase Transformation and Barkhausen Noise in AISI 304 After Shot Peening

Metals
This study investigates the role of shots on shot peening of austenitic steel AISI 304 as a function of shot peening cycles when the conventional steel shots are compared with the ceramic ones.
Juraj Uríček, Martin Pitoňák, Miroslav Neslušan, Peter Minárik, Tomáš Kmječ, Zuzana Florková   +5 more
doaj   +1 more source

Crash Behavior of DP800–DP1000 Advanced High‐Strength Steel’s Dissimilar Resistance Spot Welded Joints Under Quasi‐static and High Strain Rates

steel research international, EarlyView.
The high‐strain‐rate behavior of resistance spot‐welded DP800–DP1000 joints is investigated. Results show that microstructural gradients across BM–HAZ–FZ govern hardness, strain rate sensitivity, and failure modes. While strength increases with strain rate, energy absorption is controlled by ductility, with DP800–DP800 joints showing superior ...
Pankaj Shrivastava, Velaphi Msomi
wiley   +1 more source

Microstructural Evolution and Strengthening of Dual-Phase Stainless Steel S32750 during Heavily Cold Drawing

Crystals
S32750 dual-phase stainless steel (DSS) wires were prepared by cold drawing with a strain of ε = 0~3.6. The mechanical behavior and microstructural evolution of these DSS wires at different strains were investigated.
Hong Gao, Zhixun An, Liang Yao, Jianyong Wang, Lili Zhai, Binhua Ding, Jin Peng, Lichu Zhou, Xia Cao   +8 more
doaj   +1 more source

Investigation of Serrated Flow in Intercritically Annealed Medium Manganese Steel by In Situ Synchrotron X‐Ray Diffraction

steel research international, EarlyView.
Serrations and stepwise austenite phase transformation were observed in cold‐rolled and annealed medium manganese steels. By in situ XRD experiments, these two phenomena were studied simultaneously. The results show that DSA leads to the creation of PLC bands and load drops in the specimen.
Shahroz Ahmed, Lalit Pun, Matti Isakov, Lassi Raami, Mikko Hokka, Veli‐Tapani Kuokkala, Pasi Peura   +6 more
wiley   +1 more source

Multifaceted Behavior and Versatility Features of Ferritic Stainless Steels, Part II: Investigating Electromagnetic, Mechanical, and Corrosion Behavior

steel research international, EarlyView.
This review's second part details the mechanical, corrosion, and electromagnetic behaviors of FSSs. It integrates the foundational microstructure (texture/defects/precipitates) and processing effects from Part I to establish and analyze complex property–property interrelationships critical for high‐performance applications.
Shahab Bazri, Carlo Mapelli, Davide Mombelli   +2 more
wiley   +1 more source

Multi‐Scale Mechanical Behavior of Additive‐Manufactured 316L Stainless Steel Processed by Severe Plastic Deformation

steel research international, EarlyView.
The multi‐scale mechanical behavior of additive‐manufactured 316L stainless steel processed by directed energy deposition and high‐pressure torsion is explored. The influence of torsional strain on strength and microstructural evolution is revealed, indicating progressive grain refinement in the ultrafine regime, reaching strength levels nearing 1800 ...
M. Farhan Raza, Guney Guven Yapici
wiley   +1 more source

Lüders strain ductilizes a 1.2 GPa high-strength metastable steel via delaying martensite transformation

Advanced Powder Materials
The formation of Lüders bands tends to result in premature necking and reduced ductility in metallic materials. Studies have shown that the martensite (α′) transformation can stabilize Lüders bands and decrease Lüders strain in metastable materials ...
Tianle Li, Renhao Wu, Lezong Chen, Zaigham Saeed Toor, Xiaochun Liu, Hyoung Seop Kim   +5 more
doaj   +1 more source

Strain‐Induced NbC Precipitation as a Governing Mechanism for Hot Deformation Resistance in CrNiMnMoB Ultrahigh‐Strength Steels

steel research international, EarlyView.
Strain‐induced NbC precipitation governs hot‐deformation resistance in CrNiMnMoB ultrahigh‐strength steel by suppressing dynamic recrystallization, increasing activation energy, and refining martensitic substructures. The precipitation response is controlled by temperature, supersaturation, and strain rate, with slow deformation promoting extensive NbC
Atef Hamada, Ali Khosravifard, Khaled Elanany, Ahmed W. Abdelghany, Jukka Kömi, Pasi Suikkanen, Mohammed Ali   +6 more
wiley   +1 more source

From section to structure: Assessing the impact of localized corrosion on reinforced concrete beams

Structural Concrete, EarlyView.
Abstract The structural behavior of reinforced concrete (RC) elements affected by localized corrosion represents a major challenge for ensuring structural safety and for the proper design of strengthening interventions. The effects of localized corrosion on the flexural behavior of RC beams remain a topic of debate within the scientific community.
Antonio Conforti, Alessandro Baldassari, Alan Piemonti   +2 more
wiley   +1 more source

Influence of slip ratio on the phase stability of austenitic steel AISI 304 during rolling contact wear

Friction
This study uses rollers with curved profiles to explore the phase stability of austenitic matrix AISI 304 exposed to the rolling contact wear under the variable slip ratios in the range from −0.23% up to 8.81%.
Miroslav Neslušan, Ronald Bašťovanský, Peter Minárik, Karel Trojan, Zuzana Florková, Katarína Zgútová   +5 more
doaj   +1 more source