Search
Search Results
-
Arc erosion property and mechanism of tungsten–copper alloy with multi-scale tungsten particles
In this work, tungsten–copper (W–Cu) alloy with multi-scale tungsten phase was prepared by cold isostatic pressing, vacuum sintering and hot...
-
Metallographic and Extraction Replica Methods for Characterization of Tungsten Heavy Alloy: H13 Clads
Tungsten heavy alloys are used in demanding high pressure die casting applications due to their high temperature strength, high thermal conductivity,...
-
Physical and Mechanical Properties of a Tungsten-Titanium-Cobalt Alloy Produced by Spark Plasma Sintering of Hard-Alloy Electroerosive Powders Produced in Kerosene
The article considers the issues of manufacturing a tungsten-titanium-cobalt alloy produced by spark plasma sintering of hard-alloy electroerosive...
-
Crushing Mechanism of Spherical Tungsten Alloy Fragments Penetrate Thick Steel Plate Target
Against protection requirements for high-speed fragments on the ground weapons, we carried out the research work of crushing mechanism at different...
-
Improvement of Mechanical and Wear Properties of Tungsten Heavy Alloy Using Two-Stage Sintering and Carburizing Processes
Tungsten heavy alloys (WHAs) produced using powder technology are widely used in mechanical manufacturing, the oil and gas industry, electronic...
-
Influence of the attitude of cylindrical tungsten alloy fragment on the ability of penetrating thin metal target plate
The cylindrical tungsten alloy fragment is often prefabricated in the directional warhead to improve the killing ability or interception ability of...
-
Properties and microstructure of oxide dispersion strengthened tungsten alloy prepared by liquid-phase method: a review
The addition of the second phase into tungsten can significantly refine the grain size of tungsten alloys, and also play a role in dispersion...
-
Pore Formation Mechanism in W–C Hard Coatings Using Directed Energy Deposition on Tungsten Alloy
Porosity is a common phenomenon and can significantly hinder the quality of the coating. Here, the pore formation mechanism and the characteristics...
-
Surface Formation Mechanism in Ultrasonic Elliptical Vibration Cutting of Tungsten Alloy
Due to its unique physical and mechanical properties, high specific gravity tungsten alloy has high application value in high temperature, radiation,...
-
Influence of Tungsten Content on Microstructural Evolution of Cobalt-Containing High-Entropy Alloy via Mechanical Alloying
A cobalt-containing high-entropy alloy (HEA) system with varying tungsten content, CoCrFeNiW x ( x = 0.1, 0.2, 0.4, 1.0), is studied, with the focus on...
-
Study of Welding Metallurgy, Alloying Element Redistribution, and Alloy Solidification in Hastelloy B-2 Superalloy Under Pulsating Current Waveform Gas Tungsten Arc Welding
In this study, fusion welding of a Ni-Mo base superalloy (Hastelloy B-2) is examined to study and disclose the chemistry–processing–microstructure...
-
Mechanical properties and corrosion resistance of TC4 titanium alloy joints by plasma arc welding + gas tungsten arc welding combination welding
In this paper, plasma arc welding (PAW) and plasma arc welding combined with gas tungsten arc welding (PAW + GTAW) were used to weld TC4 titanium...
-
Fracture Toughness of Ti-6Al-4V Titanium Alloy Welded by Keyhole Gas Tungsten Arc Welding Based on High Current
The welding of 20 mm Ti6Al4V medium plate titanium alloy was successfully realized by using keyhole gas tungsten arc welding technology. Fracture...
-
Welding Dissimilar Alloys of CoCrFeMnNi High-Entropy Alloy and 304 Stainless Steel Using Gas Tungsten Arc Welding
The weldability of a CoCrFeMnNi high-entropy alloy (HEA) and 304 stainless steel (304 SS) was investigated to determine their potential for...
-
Tungsten Carbides
Tungsten forms with carbon several chemical compounds (see also section C – W in Table I-2.13): tungsten monocarbide δ-WC1±x phase (hexagonal...
-
Optimizing 304 Stainless Steel Surface Performance with CoCrFeMoNi High-Entropy Alloy Coating via Gas Tungsten Arc Cladding
CoCrFeMoNi high entropy alloy (HEA) coatings were fabricated on the surface of the 304 stainless steel (304SS) via argon tungsten arc cladding...
-
Achieving a remarkable low-temperature tensile ductility in a high-strength tungsten alloy
Hot-swaging yields a high ultimate tensile strength of 712 MPa but a limited tensile ductility with the total elongation of 3.6% at a testing...
-
Electrochemical Processing of the Wastes of Heavy Tungsten Alloys in Ammonium Carbonate Solutions
AbstractThe electrochemical behavior of tungsten and a VNZhK alloy (wt %: 90 W, 7.2 Ni, 1.8 Fe, 1 Co) in 0.5–1.5 M solutions of ammonium carbonate is...
-
Effect of Tungsten Content and Compression on Microstructure and Texture Evolution in Liquid Phase Sintered Heavy Alloy
The crystallographic texture development in uniaxial compression tests of tungsten heavy alloys was systematically investigated by varying the...
-
Characterizations of Microstructure and Properties of Dissimilar AISI 316L/9Ni Low-Alloy Cryogenic Steel Joints Fabricated by Gas Tungsten Arc Welding
The demand for dissimilar joining of steel grades, namely austenitic stainless steels to low-alloy steels, may increase in near future owing to the...
