Results 71 to 80 of about 3,001 (229)

Characterisation and Development of Nanostructured, Ultrahigh Strength, and Ductile Bainitic Steels

, 2006
The purpose of the present work was to characterise and further develop a novel nanostructured type of bainitic steel. Three chemical compositions were considered with different concentrations of Al and Co.
Sherif MY, Sherif, Mohamed
core   +1 more source

Intergranular corrosion of TiNb-microalloyed martensitic stainless steels processed by quenching and partitioning

Journal of Materials Research and Technology
This study investigates the localised corrosion mechanisms in laboratory-processed Q&P-treated martensitic stainless steels. Two steel variants, one NbTi-free (alloy B) and the other micro-alloyed with Nb and Ti (alloy M) were investigated to elucidate ...
Gaojie Li, Maria J. Santofimia Navarro, Yaiza Gonzalez-Garcia   +2 more
doaj   +1 more source

Tailored Hardening and Isothermal Bainitizing of Additively Manufactured Nitrogen‐Enhanced Martensitic Chromium Steel

steel research international, EarlyView.
Tailored heat treatments transform additively manufactured high‐nitrogen martensitic Cr steel from austenitic as‐built condition to high‐hardness states. Isothermal bainitizing at 250°C generates an ultrafine nanostructure and achieves higher hardness than conventional hardening and tempering, highlighting a promising postprocessing route for laser ...
Philip König, Sebastian Weber, Jonathan Lentz   +2 more
wiley   +1 more source

The Interpretation of Experimental Observation Data for the Development of Mechanisms based Creep Damage Constitutive Equations for High Chromium Steel

, 2015
It is very important to design a safe factor or estimating the remain lifetime for electric power plant components of steam pipes which mostly manufacture by high chromium steels and work at high temperature and low stress level.
Yang, Xin, Xu, Qiang, Xin Yang, Zhongyu Lu, Qiang Xu, Lu, Zhongyu   +5 more
core   +1 more source

Recent progress on the development of hydrogel‐based microneedles for transdermal drug delivery

VIEW, EarlyView.
This study provides a comprehensive and up‐to‐date analysis of recent progress in HMN technology, covering fundamental transdermal delivery mechanisms and design principles, biomaterials used in HMN fabrication, drug loading and release strategies, and emerging therapeutic applications.
Mohammad Muhtasim Ittisaf, Salman Farsi Taharat, Md. Sadek Miah, Hasan Tasnim Salehin, M. Azam Ali, Shoeb Ahmed   +5 more
wiley   +1 more source

Efeito da temperatura de revenido na microestrutura e nas propriedades mecânicas em alta temperatura do aço X22CrMoV12-1 [PDF]

, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Ciência e Engenharia de Materiais, Florianópolis, 2015.A crescente demanda por energia estimula a pesquisa em materiais que permitam ampliar
Lemos, Georges
core  

Green manufacturing impact on fatigue strength: A comparative analysis of heat-treated AISI 420 and plastically deformed AISI 301LN stainless steels

Journal of Materials Research and Technology
The demand for sustainable and high-performance materials has driven advancements in stainless steel production, including the development of ''green stainless steels'' that reduce environmental impact without compromising mechanical properties ...
Maurício Pinheiro dos Santos, Elaine Carballo Siqueira Corrêa, Geovane Martins Castro, Waldek Wladimir Bose Filho, Rodrigo Magnabosco, Wellington Lopes, Wilian da Silva Labiapari   +6 more
doaj   +1 more source

Evidence of a local BCC‐type coordination of cobalt in FCC taenite of iron meteorites

Meteoritics &Planetary Science, EarlyView.
Abstract Ni, Co, and Fe K‐edge X‐ray absorption fine structure (XAFS) measurements were performed, revealing an unexpected local structure around Co in well‐known iron and stony‐iron meteorites. Cobalt is enriched in kamacite but remains in taenite at concentrations of at least 0.3 atom%.
Kanako Yoshihara, Akira Yoshiasa, Huimin Shao, Makoto Tokuda, Ginga Kitahara, Hiroshi Isobe   +5 more
wiley   +1 more source

Desenvolvimento de procedimento de reparo por soldagem em aços inoxidáveis martensíticos, com metal de adição similar sem TTP / [PDF]

, 2000
Dissertação (Mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico.Este trabalho analisa a aplicabilidade de técnicas de soldagem de reparo sem tratamento térmico posterior (TTP) ao aço inoxidável martensítico macio tipo CA-6NM e ...
Pereira, Aldo Santos
core  

Influence of austenitizing, quenching, and tempering on the hardness and corrosion resistance in martensitic stainless steel EN 1.4116

Journal of Materials Research and Technology
Martensitic stainless steels (MSS) are a vital class of steel used in various sectors, including aerospace, petrochemicals, and cutlery, due to their excellent properties, such as high mechanical strength and corrosion resistance. Research has shown that
Gláucio Soares da Fonseca, Kateryne Hamberger Ferreira, Silvana Carreiro de Oliveira, Priscila Sousa Nilo Mendes, Luis Paulo da Silva Vitorino, Elivelton Alves Ferreira   +5 more
doaj   +1 more source