Third International School on Sintered Materials

Upadhyaya, G. S.

doi:10.1179/pom.1984.27.1.66

Cited by 35 publications

(53 citation statements)

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“…SEM observations were made of polished cross sections of sintered samples ( Figure 6) giving evidence about that pores density increases with the milling time. Mechanically alloyed powders exhibit high dislocation density 12,17 that affects the response during compaction and sintering promoting an increase in porosity and hence poor mechanical properties in bulk samples. According to these results, it is suggested that a suitable milling time to obtain bulk specimens for the studied alloys is 10 h.…”

Section: Response Of Milled Powders To Sintering Processmentioning

confidence: 99%

Series of Nanocrystalline NiCoAlFe(Cr, Cu, Mo, Ti) High-Entropy Alloys produced by Mechanical Alloying

et al. 2016

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The mechanical alloying technique was employed to produce series of high entropy alloys, combining in equiatomic percentage Al, Co, Cr, Cu, Fe, Mo, Ni and Ti. Milling times were 0, 10, 20 and 30 h, and experiments were performed in a high energy ball mill (SPEX-8000M) under argon atmosphere. The structural and microstructural changes due to mechanical alloying process were studied by X-ray diffraction and electron microscopy. Although there is the presence of pure elements with HCP crystalline structure, the XRD patterns of as-milled powders revealed the presence of a mixture of nanocrystalline solid solution with FCC and BCC structure phases. The hardness of the powder samples was evaluated by Vickers microhardness testing. The average microhardness values indicate that the alloy with the greatest hardness is the NiCoAlFeMoCr.

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Section: Response Of Milled Powders To Sintering Processmentioning

confidence: 99%

Series of Nanocrystalline NiCoAlFe(Cr, Cu, Mo, Ti) High-Entropy Alloys produced by Mechanical Alloying

et al. 2016

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“…1(d). Further, presence of secondary phases in the ϕ=16 wt.% ceramics at 1150 o C sintering temperature suggests the detailed investigation of sintering behavior of this composition[24].…”

mentioning

confidence: 99%

Synthesis and characterizations of (1-Φ) (NBT-BT)-ΦSB ex T ceramics for NVRAM applications

Swain

Kumar

2016

Current Applied Physics

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“…PIM is an advanced powder processing technology developed to produce small, complex shape, precise size, precise tolerance, smooth surface, difficult to machining and excessively process able parts at reasonable cost (Karataş & Sarıtaş, 1998). PIM has four main steps; mixing, injection moulding, debinding and sintering (Upadhyaya, 2002). Mixture consisting of powder and binder is called feedstock.…”

Section: Powder Injection Moulding (Pim) and Metal Injection Mouldingmentioning

confidence: 99%

The Development and Applications of Powder Metallurgy Manufacturing Methods in Automotive Industry

Erdem¹

2017

Uluslararası Muhendislik Arastirma Ve Gelistirme Dergisi

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Over the past decade, automotive industry has developed considerably faster than other sectors in direction of consumers' demands. In order to provide worldwide emission standards, focusing on new technologies and enhancing fuel efficiency is emerged as a new trend among automobile manufacturers. Producing more efficient, lighter and eco-friendly cars without compromising performance and comfort has been the main goal of automotive industry in recent years. The high technology requirements of passenger cars with internal combustion engines as well as in hybrid and electric cars have directed the companies in sector to investigate alternative production methods. When compared with conventional manufacturing processes, powder metallurgy (PM) production methods are increasingly preferred by automobile manufacturers as they allow both profitability and part production in some special applications. In this review paper, it is aimed to give information about the development and application of PM methods in automotive sector.

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Third International School on Sintered Materials

Cited by 35 publications

References 0 publications

Series of Nanocrystalline NiCoAlFe(Cr, Cu, Mo, Ti) High-Entropy Alloys produced by Mechanical Alloying

Series of Nanocrystalline NiCoAlFe(Cr, Cu, Mo, Ti) High-Entropy Alloys produced by Mechanical Alloying

Synthesis and characterizations of (1-Φ) (NBT-BT)-ΦSB ex T ceramics for NVRAM applications

The Development and Applications of Powder Metallurgy Manufacturing Methods in Automotive Industry

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