Results 61 to 70 of about 102,036 (378)

A Perspective on Powder Metallurgy and Additive Manufacturing of High‐Nitrogen Alloyed Stainless Steels

open access: yesAdvanced Engineering Materials, EarlyView.
This perspective article explores an innovative powder metallurgical approach to producing high‐nitrogen steels by utilizing a mixture of stainless steel and Si3N4. This mixture undergoes hot isostatic pressing followed by direct quenching. The article also examines adapting this method to laser powder bed fusion (PBF‐LB/M) to overcome nitrogen ...
Louis Becker   +5 more
wiley   +1 more source

STRUCTURE AND HARDNESS OF CASTINGS MADE FROM WEAR-RESISTANT CAST IRON

open access: yesЛитьë и металлургия, 2017
Influence of ways of casting and influence of geometrical parameters of details made from chromic cast irons on hardness of their inner layers are investigated. The technique of researches is developed and experiments are made. Compliance of details from
E. I. Marukovich   +4 more
doaj   +1 more source

Prediction of the mechanical behaviour of TRIP steel [PDF]

open access: yes, 2011
TRIP steel typically contains four different phases, ferrite, bainite, austenite and martensite. During deformation the metastable retained austenite tends to transform to stable martensite.
Geijselaers, H.J.M., Perdahcioglu, E.S.
core   +1 more source

A Novel Approach on Rapid Alloy Development of Tool Steels for Laser Powder Bed Fusion by In Situ Alloying

open access: yesAdvanced Engineering Materials, EarlyView.
A novel approach for alloy development in laser powder bed fusion is introduced. Instead of producing massive samples of one composition at a time, prepressed powder bed samples produced from powder mixtures are processed. Guidelines for the selection of precursor powders are developed.
Felix Großwendt   +6 more
wiley   +1 more source

Significance of Annealing Twins in Laser Ultrasonic Measurements of Grain Size in High-Strength Low-Alloy Steels

open access: yesApplied Sciences, 2023
In this study, we demonstrate the significance of austenite annealing twin boundaries when calibrating laser ultrasonic measurements for gauging austenite grain size in situ during the thermomechanical processing of high-strength low-alloy steels. Simple
Tuomo Nyyssönen   +6 more
doaj   +1 more source

Austenite grain growth in alumina-forming austenitic steel – CORRIGENDUM [PDF]

open access: yesJournal of Materials Research, 2016
In the original publication of “Austenite grain growth in alumina-forming austenitic steel,” the legends for the optical micrographs were missing for Fig. 2 and Fig. 3(a-h). The following are the corrected figures:
Qiang Huo   +3 more
openaire   +2 more sources

Powder Metallurgy and Additive Manufacturing of High‐Nitrogen Alloyed FeCr(Si)N Stainless Steel

open access: yesAdvanced Engineering Materials, EarlyView.
The alloying element Nitrogen enhances stainless steel strength, corrosion resistance, and stabilizes austenite. This study develops austenitic FeCr(Si)N steel production via powder metallurgy. Fe20Cr and Si3N4 are hot isostatically pressed, creating an austenitic microstructure.
Louis Becker   +5 more
wiley   +1 more source

Cavitation Erosion Behavior of 2205 and 2507 Duplex Stainless Steels in Distilled Water and Artificial Seawater

open access: yesTribology Online, 2023
Herein, cavitation erosion tests were carried out on 2205 and 2507 duplex stainless steels (DSSs) in distilled water and artificial seawater using ultrasonic cavitation erosion equipment.
Yapeng Wu, Ying Lian, Yang Li, Mao Feng
doaj   +1 more source

Nanoparticle‐Coated X2CrNiMo17‐12‐2 Powder for Additive Manufacturing—Part II: Processability by Powder Bed Fusion of Metals Using a Laser Beam

open access: yesAdvanced Engineering Materials, EarlyView.
In this manuscript, the processability of X2CrNiMo17‐12‐2 powder coated with silicon carbide, silicon, and silicon nitride nanoparticles is investigated. The amount of nanoparticles varies from 0.25 to 1 vol%. By coating the powder feedstock material with nanoparticles, an enlargement of the process window and an increase in the build rate are achieved.
Nick Hantke   +5 more
wiley   +1 more source

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