Results 21 to 30 of about 2,322 (176)

Microstructure and mechanical properties of austenitic stainless steels manipulated by trace TiC–TiB2 nanoparticles

Journal of Materials Research and Technology
It is difficult to simultaneously increase strength and toughness of austenitic stainless steels through traditional heat treatment and alloying. However, adding nano-sized ceramic particles is a potential method to manipulate the microstructure and ...
Qianwei Chen, Bingxu Wang, Yong Xu, Feng Qiu, Baixin Dong, Xiaofu Chen, Deli Chen, Gaoshen Cai, Gary C. Barber   +8 more
doaj   +1 more source

Decomposition of Austenite in Austenitic Stainless Steels

ISIJ International, 2002
Austenitic stainless steels are probably the most important class of corrosion resistant metallic materials. In order to attain their good corrosion properties they rely essentially on two factors: a high chromium content that is responsible for the protective oxide film layer and a high nickel content that is responsible for the steel to remain ...
A. F. Padilha, P. R. Rios
openaire   +2 more sources

Predicting the Ms temperature of lean alloyed ferritic–austenitic stainless steels

Journal of Materials Research and Technology
A set of laboratory hot-rolled and thermally cycled 19–22 wt% Cr lean alloyed ferritic–austenitic stainless steels were studied with respect to calculated equilibrium austenite composition and experimental martensite start (Ms) temperature.
Sampo Uusikallio, Aarne Pohjonen, Pentti Kaikkonen, Oskari Haiko, Jukka Kömi   +4 more
doaj   +1 more source

Characterization of the high temperature oxidation behavior of iron based alloys used as exhaust manifolds

MATEC Web of Conferences, 2018
Nowadays engine capacities of vehicles spread in a wide range due to different vehicle power demands. Power density of engines affects exhaust gas and therefore exhaust gas temperature varies from 650 °C to 1000 °C in exhaust manifolds.
Çelik G. Aktaş, Kahrıman Fulya, Atapek Ş. Hakan, Polat Şeyda   +3 more
doaj   +1 more source

Development and Validation of Radiation Embrittlement Prediction Model of Austenitic Stainless Steel

Yuanzineng kexue jishu
Austenitic stainless steels are used as important structural materials in nuclear reactors due to their high fracture toughness. In the process of long-term service, austenitic stainless steel will be subjected to neutron irradiation to cause ...
JIA Lixia, WANG Dongjie, HE Xinfu, WU Shi, YANG Wen
doaj   +1 more source

Deformation induced martensite in an AISI 301LN stainless steel: characterization and influence on pitting corrosion resistance

Materials Research, 2007
In austenitic stainless steels, plastic deformation can induce martensite formation. The induced martensite is related to the austenite (gamma) instability at temperatures close or below room temperature.
Hamilton Ferreira Gomes de Abreu, Sheyla Santana de Carvalho, Pedro de Lima Neto, Ricardo Pires dos Santos, Válder Nogueira Freire, Paulo Maria de Oliveira Silva, Sérgio Souto Maior Tavares   +6 more
doaj   +1 more source

Evaluating creep rupture life in austenitic and martensitic steels with soft-constrained machine learning

Journal of Materials Research and Technology, 2023
Machine learning is extensively utilized for predicting creep rupture of high-temperature steels. Recently, five soft-constrained machine learning algorithms (SCMLAs) have been developed to enhance the extrapolation capabilities of machine learning ...
Jun-Jing He, Rolf Sandström, Jing Zhang
doaj   +1 more source

Characterization of a Recyclate‐Based MgO‐Steel Composite As‐Sintered Inert Anode Candidate After Exposure to Cryolite Electrolysis

Advanced Engineering Materials, EarlyView.
Carbon‐free inert anodes are essential for decarbonizing aluminum electrolysis. This study investigates a recyclate‐based MgO‐316L steel composite anode tested under galvanostatic Hall–Héroult conditions in cryolite at 1000°C. Microstructural analysis reveals selective MgO fluorination, spinel and oxide layer formation, electrolyte infiltration, and ...
Serhii Yaroshevskyi, Alexander Adamczyk, Nora Brachhold, Gert Schmidt, Jana Hubálková, R. Gumeniuk, Alexandros Charitos, Christos G. Aneziris   +7 more
wiley   +1 more source

Two‐Way Shape Memory Alloy and Polymer Composite Hybrid Smart Actuator With High Speed, Accuracy, and Reversible Deformation

Advanced Functional Materials, EarlyView.
Tailored thermo‐mechanical properties of shape memory polymer composites enable large reversible deformation as well as high actuation speed. Moreover, a structural design with curvature in the transverse direction achieves sub‐second actuation on heating and a larger recovery ratio on cooling. Finally, these newly developed smart two‐way actuators can
Dajeong Kang, Seong Yeon Park, Yitro Samuel Aditya, Ha Eun Lee, Wonvin Kim, Sangyoon Bae, Seong Su Kim   +6 more
wiley   +1 more source

Novel high nitrogen austenitic stainless steels: From high-throughput screening to experimental validation and properties relationship

Journal of Materials Research and Technology
The quest for affordable and price-stable alternatives for nickel as the main austenitizing alloying element is pushing the stainless steel industries to develop new types of Ni-lean austenitic stainless steels.
Victor Hugo Mafra Monfredo Ferreira, Francisco Gil Coury, Diego de Araujo Santana, Guilherme Yuuki Koga   +3 more
doaj   +1 more source