The article deals with long-length tubular electrode-tools made of the engineered composite [(WC+3wt%Co)+3wt%BN)]+14wt%Cu, which, during electrical discharge piercing holes in a hard alloy WC+6wt%Co (ISO 513:2012) optimal mode, have productivity that is almost 8 times higher than process, when it performed using copper electrode-tools. Therewith, wear new material 4.1 ... 4.5 less To obtain hol...

BACKGROUND We previously demonstrated that BMI is associated with functional decline and reduced quality of life. While BMI in older adults is fraught with challenges, waist circumference (WC) is a marker of visceral adiposity that can also predict mortality. However, its association with function and quality of life in older adults is not well understood and hence we sought to examine the impa...

Samples of submicron WC-Co-Re cemented carbide were produced and examined by different techniques. The microstructure the samples is fine extremely uniform indicating strong inhibiting effect Re with respect to WC grain growth during liquid-phase sintering. Results examination hot hardness at a temperature 500°C provide evidence for significantly higher value in comparison that conventional WC-...

This review focuses on the potential advantages of iron aluminides as an alternative binder for cemented carbides, by means thermodynamics, microstructure, mechanical properties, corrosion and oxidation resistance. Iron have been identified binders WC-Co. Actually, new composite materials free Co are under development due to environmental safety healthcare concerns, substitutes WC being investi...

This study focuses on the preparation of fine-grained WC/Co composite powder using rolling ball milling and spray drying techniques. The cemented carbide composition achieved through low-pressure sintering technology was WC-10Co-0.5Cr3C2-1TaC-0.5Ru (wt.%). To effect temperature microstructure mechanical properties WC-10 wt.% carbide, phase constituents material were analyzed X-ray diffractometr...

Two experiments were conducted to evaluate the effect of feeding corn modified wet distillers grain plus solubles (MWDGS; 48% DM) co-ensiled with chopped whole plant corn (WC) on growth performance, dietary intake, and nutrient digestibility of beef cattle. In Exp. 1, 96 Angus-crossed heifers (2 yr old; 522 ± 49.1 kg BW; 5.3 ± 0.1 BCS) were stratified and blocked according to BW and stratified ...

WC-Co cemented carbide has excellent mechanical properties and is widely used in many industrial applications including cold forging die cutting tools. manufactured by liquid phase sintering (LPS), a new process for densification been developed. In this study, cylindrical rod shaped tensile fatigue specimens of WC-20wt%Co were fabricated using commercial methods such as vacuum (VS), low pressur...

Abstract Due to the monopolized supply of tungsten resource, it is important efficiently recycle scrap for use as a secondary resource. The recycling from cemented carbide tools by molten carbonate method was investigated using simulated hard and soft (carbide tool tips WC powder, respectively). oxidative dissolution examined in Na 2 CO 3 under Ar–O –CO atmospheres at 1173 K. Based on immersion...