Results 51 to 60 of about 1,267 (195)

Duplex and superduplex stainless steels: microstructure and properties evolution by surface modification processes [PDF]

, 2019
The paper presents an overview of diffusion surface treatments, especially nitriding processes, applied to duplex and superduplex stainless steels in the last five years. Research has been done mainly to investigate different nitriding processes in order
Biserova Tahchieva, Alisiya, Cabrera Marrero, José M., Llorca Isern, Núria   +2 more
core  

Duplex Stainless Steel Laser‐Surface Textured: Stability in Brine Solution

Advanced Engineering Materials, Volume 28, Issue 8, 22 April 2026.
Controlled laser‐surface treatment (LST) of duplex DSS2205 steel is performed to increase its stability in brine solution under cyclic electrochemical assays. The superior protection with respect to flat and smooth panels is attributed to the presence of FeCr2O4 as the main protective oxide layer in the LST surface, after corrosion tests. The stability
Mohammad Rezayat, Hamidreza Enshaei, Elaine Armelin, José I. Iribarren, Antonio Mateo, Miguel Morales   +5 more
wiley   +1 more source

Effect of applied chemical heat treatment on the structure and properties of low-alloy Cr-containing iron powders [PDF]

MATEC Web of Conferences, 2019
The article presents experimental results on the application of thermal oxidation or low temperature gas nitrocarburizing (LTGNC) of Ecosint powders sintered under industrial conditions. Surface hardness HRB and microhardness (HV0.1) were studied.
Mincheva Desislava, Petrov Plamen
doaj   +1 more source

A study of nanoparticles as a drug carrier on the wall of Stenosed Arteries [PDF]

, 2018
The influences of nanoparticles as drug carriers on the walls of stenosed arteries are presented. In this study, three nanoparticles namely Fe3O4 , TiO2 and Cu were used.
Abdulhameed, Mohammed, Hashim, I., Jamil, Dzuliana Fatin, Kamardan, Muhamad Ghazali, Roslan, Rozaini, Sufahani, Suliadi Firdaus   +5 more
core  

Effects of Using Alternative Extreme Pressure (EP) and Anti-Wear (AW) Additives with Oxy-Nitrided Samples [PDF]

, 2018
Oxy-nitriding is a widely used industrial process aiming to improve the tribological properties and performance of components. Previous studies have shown the effectiveness of the treatment with friction and wear performance, but very few have focussed ...
Anne Neville, Ardian Morina, B Guan, BA Khorramian, CM Karamboiki, D Nilsson, H Kato, H Spikes, Hiroshi Yamamoto, M Kawamura, M Ratoi, MV Leite, ND Manring, RLO Basso, S Yazawa, Shunsuke Koide, T Brinke, TA Khan, Thawhid Khan, W Yue, Y Ma, Y Wan, Y Xia, YH Qiang, Yukio Tamura   +24 more
core   +2 more sources

Low‐Temperature Thermochemical Treatments of Face‐Centered Cubic Alloys: New Perspectives for Expanded Austenite From Austenitic Stainless Steels to High‐Entropy Alloys

MetalMat, Volume 2, Issue 3, September 2025.
Expanded austenite is a supersaturated solid solution of nitrogen and/or carbon in a metal face‐centered cubic lattice, produced by surface treatments at low temperatures. The review discusses the characteristics and properties of this phase formed on austenitic stainless steels, nickel and cobalt alloys and entropy alloys, highlighting the ...
Francesca Borgioli
wiley   +1 more source

Microstructure and properties of boronizing layer of Fe-based powder metallurgy compacts prepared by boronizing and sintering simultaneously [PDF]

, 2009
In this study, the boronized layers were formed on the surfaces of specimens with a composition of Fe-2 wt. % Cu-0.4 wt. % C by sintering and boronizing simultaneously, using a pack boronizing method. The processes were performed in the temperature range
Dong X., Gao R., Guo Z., Hu J., Huang Z., Wang H.   +5 more
core   +1 more source

New Approach for Plasma Nitrocarburizing of Stainless Steels by a Modified Reactor Configuration Using a Plasma‐Activated Solid Carbon Precursor

steel research international, Volume 96, Issue 5, May 2025.
The defined adjustment of the properties of plasma nitrocarburized steels requires a precise control over the generated treatment‐relevant gas species with respect to their type and concentrations. Therefore, a modified hot‐wall reactor is developed by implementing a separate plasma‐activated solid carbon precursor while concentrations of the resulting
Saeed M. Jafarpour, Anke Dalke, Horst Biermann   +2 more
wiley   +1 more source

Thermochemical Corrosion of Furnace Materials in Atmospheres Containing Ammonia

Materials and Corrosion, Volume 76, Issue 2, Page 226-239, February 2025.
The present research focuses on determining the long‐term effects of ammonia‐containing atmospheres on the metallic furnace materials AISI 309, AISI 314, Alloy 600, and Alloy 601. The materials studied were exposed to numerous nitriding or nitrocarburizing treatments for more than 10 years to investigate the long‐term effects of repeated contact with ...
Michaela Sommer, Matthias Steinbacher, Stefanie Hoja   +2 more
wiley   +1 more source

Microestructura y resistencia a la corrosión de nitruros de cromo obtenidos por nitruración gaseosa al vacío de cromo electrolítico depositado sobre acero AISI H13. [PDF]

, 2013
En este artículo se caracteriza la microestructura y se evalúa la resistencia a la corrosión de nitruros de cromo obtenidos a partir de un tratamiento dúplex constituido por un recubrimiento electrolítico de cromo aplicado sobre un acero AISIH13 ...
Cifuentes, H., Olaya, J. J.
core   +2 more sources