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Microstructure and Wear Resistance of Tungsten Carbide Particle Reinforced Ni - Based PTA Powder Surfacing Layer [PDF]

open access: yesCailiao Baohu, 2022
In order to study the microstructure and wear resistance of tungsten carbide particle reinforced nickel-based welding layer,three kinds of tungsten carbide particles were selected as the hard phase to mix with nickel-based alloy powder to conduct PTA ...
YU Wei, LI Yuxi, ZHOU Wuxi, HE Xiangjian, SONG Can
doaj   +1 more source

Recovery and Preparation of Potassium Fluorotantalate from High-Tantalum-Bearing Waste Slag by Pressure Alkaline Decomposition

open access: yesMetals, 2022
Tantalum slag is a type of high-grade tantalum resource with great recovery value. In this paper, a low fluorine process, including alkali pressure decomposition, low-acid transformation, solvent extraction, and crystallization, is proposed to recover ...
Kangde Xie   +5 more
doaj   +1 more source

Solvent debinding and critical thickness of ultrafine cemented carbides by prepared injection molding

open access: yesFenmo yejin jishu, 2023
Ultrafine cemented carbides with the different thickness were prepared by metal powder injection molding, using WC–10Co with the particle sizes of 0.71 μm and 0.53 μm as the raw materials and the wax-based binder system as the binders.
LUO Xuequan, LIU Sunhe, WEN Guanghua
doaj   +1 more source

Efeitos do ácido 2-(3-clorofenoxi) propionico (3-CPA) sobre frutos de abacaxi 'cayenne' [PDF]

open access: yesPlanta Daninha, 1981
Estudaram-se os efeitos do ácido 2-(3-clorofenoxi) propiônico (3-CPA) nas doses de 37,5, 75,0, 112,5 ppm e 75,0 ppm + 2% de uréia, sobre frutos de abacaxi 'Cayenne'. As aplicações do 3-CPA foram efetuadas quando as flores apicais do fruto apresentavam-se
J.I. Fahl, J.F. Franco
doaj   +1 more source

Modeling of the phase-structural state in a hybrid multicomponent alloy with a high boron content

open access: yesФізика і хімія твердого тіла, 2022
The present work is focused on analyzing the thermodynamically equilibrium path of structure formation in a multi-component Fe-W-Mo-Cr-Ti-Mn-Si alloy of tribotechnical purpose, containing 0.72 wt. % C and 2.75 wt. % B is analyzed.
Yu.G. Chabak   +7 more
doaj   +1 more source

Microstructure and Abrasive Wear Resistance of Mo2C Doped Binderless Cemented Carbide

open access: yesFrontiers in Materials, 2020
Binderless cemented carbide contains very little (<0.5 wt.%) or no metal binder and has an incomparable excellent wear resistance, corrosion resistance, excellent polishing, and oxidation resistance compare to traditional cemented carbide (Imasato et ...
Xiuqi Zan   +5 more
doaj   +1 more source

Effect of strain amplitude on the isothermal fatigue behavior of H13 hot work die steel

open access: yes工程科学学报, 2021
Thermal fatigue cracking is the main failure mode of hot work die steel during die casting and hot forging. Thermal fatigue cracking accounts for a large proportion of mold failures and seriously affects the service life of the mold.
Zhen-qiang ZHU   +3 more
doaj   +1 more source

Research Progress in Cemented Carbide with Co-Ni-Al Composite Binder Phase

open access: yesJournal of Aeronautical Materials, 2018
The application background of Co-Ni-Al composite binder phase in cemented carbide was introduced. The latest research results of Co-based superalloy and the properties of cemented carbide with binder strengthened by ordered phase were briefly described ...
LONG Jianzhan   +6 more
doaj   +1 more source

Structural and Tribological Studies of “(TiC + WC)/Hardened Steel” PMMC Coating Deposited by Air Pulsed Plasma

open access: yesMetals, 2022
The deposition of a thin (several tens of microns) protective coating in atmospheric conditions is a challenging task for surface engineering. The structural features and tribological properties of a particle-reinforced metal matrix composite coating ...
Yuliia Chabak   +10 more
doaj   +1 more source

An Initial Assessment of Infiltration Material Selection for Selective Laser Sintered Preforms [PDF]

open access: yes, 2004
High-temperature infiltration is an important process that is used to add strength to skeletal microstructures. In this study, particulate metal matrix composites (MMCs) are fabricated.
Barrow, Stacia L.   +2 more
core   +1 more source

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