Results 31 to 40 of about 20,751 (287)
Initiation of hydrogen induced cracks at secondary phase particles [PDF]
, 2020 The goal of this work is to propose a general mechanism for hydrogen induced crack initiation in steels based on a microstructural study of multiple steel grades.
Claeys, Lisa +5 more
core +3 more sources
Metals, 2021 Standard heat treatment of martensitic stainless steel consists of quenching and tempering. However, this results in high strength and hardness, while Charpy impact toughness shows lower values and a large deviation in its values.
Jaka Burja +3 more
doaj +1 more source
Structure and properties of the heat effected zone of welded joints of special high – strength steels [PDF]
Металознавство та обробка металів, 2018 The built in thermokinetic diagrams of austenite decomposition are established and the influence of the cooling rate of samples of the HAZ metal imitators on the structure and strength properties of high-strength steels Quardian 500 and Armstal 500 is ...
Grigorenko G. M. +3 more
doaj +1 more source
Metals, 2021 Many advanced steels are based on tempered martensitic microstructures. Their mechanical strength is characterized by fine sub-grain structures with a high density of free dislocations and metallic carbides and/or nitrides.
Michio Shimotomai
doaj +1 more source
Ultra-high strength martensitic 420 stainless steel with high ductility
Additive Manufacturing, 2019 Abstract Martensitic 420 stainless steel was successfully fabricated by Selective laser melting (SLM) with >99% relative density and high mechanical strength of 1670 MPa, yield strength of 600 MPa and elongation of 3.5%. X-ray diffraction (XRD) and scanning electron microscopy disclosed that the microstructure of SLM 420 consisted of colonies of 0.5 ...
Kamran Saeidi +6 more
openaire +1 more source
Advanced manufacturing technologies of large martensitic stainless steel castings with ultra low carbon and high cleanliness [PDF]
China Foundry, 2010 The key manufacturing technologies associated with composition, microstructure, mechanical properties, casting quality and key process control for large martensitic stainless steel castings are involved in this paper. The achievements fully satisfied the
Lou Yanchun, Zhang Zhongqiu
doaj
Evaluation of the effect of TiC precipitates on the hydrogen trapping capacity of Fe-C-Ti alloys [PDF]
, 2014 The present work evaluates the hydrogen trapping behavior of different laboratory cast generic Fe-C-Ti martensitic alloys. Titanium carbides were precipitated in the materials by well-designed heat treatments.
Depover, Tom +4 more
core +2 more sources
Property Optimization in As-Quenched Martensitic Steel by Molybdenum and Niobium Alloying
Metals, 2018 Niobium microalloying is the backbone of modern low-carbon high strength low alloy (HSLA) steel metallurgy, providing a favorable combination of strength and toughness by pronounced microstructural refinement. Molybdenum alloying is established in medium-
Hardy Mohrbacher
doaj +1 more source
Crystals, 2023 The effect of quenching and partitioning (Q&P) processing on strength, ductility and fracture toughness is considered in a 0.33% C-1.8% Si-1.44 Mn-0.58% Cr steel. The steel was fully austenitized at 900 °C and quenched to 210 °C for 30 s. Partitioning at
Evgeniy Tkachev +4 more
doaj +1 more source
The Interpretation of Experimental Observation Data for the Development of Mechanisms based Creep Damage Constitutive Equations for High Chromium Steel [PDF]
, 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.
Lu, Zhongyu, Xu, Qiang, Yang, Xin
core +1 more source