Results 31 to 40 of about 2,322 (176)

Evaluation of the low corrosion resistant phase formed during the sigma phase precipitation in duplex stainless steels [PDF]

open access: yesMaterials Research, 1999
The duplex stainless steels, having a volumetric fraction of 50% ferrite and 50% austenite, conciliate high corrosion resistance with good mechanical properties.
Darlene Yuko Kobayashi, Stephan Wolynec
doaj   +1 more source

Surface Modification of a Nickel-Free Austenitic Stainless Steel by Low-Temperature Nitriding

open access: yesMetals, 2021
Low-temperature nitriding allows to improve surface hardening of austenitic stainless steels, maintaining or even increasing their corrosion resistance. The treatment conditions to be used in order to avoid the precipitation of large amounts of nitrides ...
Francesca Borgioli   +2 more
doaj   +1 more source

Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review

open access: yesAdvanced Functional Materials, EarlyView.
Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan   +7 more
wiley   +1 more source

Corrosion Fatigue of Austenitic Stainless Steels for Nuclear Power Engineering

open access: yesMetals, 2016
Significant structural steels for nuclear power engineering are chromium-nickel austenitic stainless steels. The presented paper evaluates the kinetics of the fatigue crack growth of AISI 304L and AISI 316L stainless steels in air and in corrosive ...
Irena Vlčková   +4 more
doaj   +1 more source

Rib‐Reinforced Ultralight and Ultra‐Strong Shell Lattices

open access: yesAdvanced Science, EarlyView.
This study thoroughly reveals the relation between the curvature and stress direction of triply periodic minimal surface (TPMS) thin shell lattices and proposes a novel rib reinforcement design strategy to incorporate ribs along the line of asymptotes (LOA) and the line of principal curvatures (LOC) to enhance the strength of ultralight TPMS shell ...
Winston Wai Shing Ma   +6 more
wiley   +1 more source

Electrochemical and Surface Insights Into X12CrMoWVNbN10‐1‐1 Steel Corrosion in Chloride Solutions at Variable pH

open access: yesMaterials and Corrosion, EarlyView.
The corrosion performance of X12CrMoWVNbN10‐1‐1 steel in chloride environments dramatically depends on pH. Acidic conditions trigger intense surface degradation, whereas neutral and alkaline media foster the formation of a compact and stable passive film, drastically reducing both general and localized corrosion.
Jovanka Pejić   +5 more
wiley   +1 more source

Alloy Solutions for Ammonia Cracking: A Review

open access: yesMaterials and Corrosion, EarlyView.
This work provides a literature overview of the nitriding and degradation of structural materials under ammonia cracking conditions and explains the known mechanisms and the gaps, where research is required. ABSTRACT Hydrogen is a key factor in energy storage and transportation, which will inevitably lead to a substantial increase in demand.
Mathias Christian Galetz   +3 more
wiley   +1 more source

Nickel-free austenitic stainless steels for medical applications

open access: yesScience and Technology of Advanced Materials, 2010
The adverse effects of nickel ions being released into the human body have prompted the development of high-nitrogen nickel-free austenitic stainless steels for medical applications.
Ke Yang and Yibin Ren
doaj  

Fatigue Behavior of Metastable Austenitic Stainless Steels in LCF, HCF and VHCF Regimes at Ambient and Elevated Temperatures

open access: yesMetals, 2019
Corrosion resistance has been the main scope of the development in high-alloyed low carbon austenitic stainless steels. However, the chemical composition influences not only the passivity but also significantly affects their metastability and ...
Marek Smaga   +5 more
doaj   +1 more source

Evaluation of Mechanical, Thermal, Rheological, and Biocompatibility Properties of Additively Manufactured Metal‐Reinforced Biocomposites Optimized by Reinforcement Ratios and Printing Parameters

open access: yesPolymer Composites, EarlyView.
Schematic illustration of PLA/316L stainless steel composite filament production via fused deposition modeling, demonstrating the trade‐off between stainless steel content, mechanical enhancement, and biocompatibility. ABSTRACT Polylactic acid (PLA) is a biodegradable thermoplastic widely used in biomedical devices; however, its inherent brittleness ...
İbrahim Baki Sahin   +5 more
wiley   +1 more source

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