نتایج جستجو برای: silver powder metallurgy

تعداد نتایج: 93725  

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2009

2008
Marize Varella de Oliveira Mário Lima de Alencastro Graça Yasmin Rodarte Carvalho Carlos Alberto Alves Cairo Jose dos Campos Francisco José Longo

Department of Bioscience and Buccal Diagnosis, São Jose dos Campos School of Dentistry, State University of São Paulo – UNESP, Av. Engenheiro Francisco José Longo, 777, 12245-000 São José dos Campos SP, Brazil National Institute of Technology, Av. Venezuela, 200, Centro, Rio de Janeiro RJ, Brazil Department of Materials, Air and Space Institute, CTA, Praça Mal. do Ar Eduardo Gomes, 14, 12904-00...

Journal: :Advances in Production Engineering & Management 2013

2015
Chieko Narita Yutaro Shimode Kazushi Yamada

Maki-e is a traditional Japanese decorative technique that uses the natural lacquer Urushi and metal powders. In 2014, there exist only two companies that manufacture silver powder for the purpose of Maki-e, and this study focuses on comparing the powders manufactured by them. Gloss and color of each silver powder were measured after Maki-e decoration was finished, and EDS (energy-dispersive X-...

1999
Jennifer Stander John A. McNeill

This paper describes an instrument capable of detecting flaws in “green-state” (prior to sintering) powder metallurgy (P/M) parts. The instrument uses a matrix of impedance measurements from a multiprobe array that contacts the surface of the P/M part. The array of measured data is processed to not only detect the presence of flaws but determine their location, size, and orientation as well. Ex...

Journal: :ecopersia 2013
mohammad reza kalbassi seyed ali johari mahdi soltani il yu

in order to understand the importance of particle size and agglomeration for nano-eco-toxicological studies in aquatic environments, the acute toxicity of two different types (suspended powder and colloidal) of silver nanoparticles (agnps) were studied in alevin and juvenilerainbow trout. fish were exposed to each type of agnps at nominal concentrations of 0.032, 0.1, 0.32, 1, 3.2, 10, 32, and ...

M. H. Enayati and M. Salehi,

Fabrication and characterization of aluminum matrix composites containing different volume fractions of Ni3Al powder (5-40 Vol%) were investigated. Ni3Al powder was produced by mechanical alloying of elemental nickel and aluminum powder mixture. Al-Ni3Al composite parts were prepared using a powder metallurgy route involving two stages Al and Ni3Al powder mixtures were first compacted under 500...

2009
A. Boehm

An original processing route by powder metallurgy was developped to alloy pure Ni foams so, that the foam becomes refractory for high temperature applications. The modelling of such a foam at high temperature starts from the behavior of the basic constitutive material, then we use micromechanical models to predict the mechanical properties under tension and in compression creep. A 3D finite ele...

Journal: :IEEE Trans. Instrumentation and Measurement 1998
Jennifer Stander John A. McNeill Reinhold Ludwig

This paper describes an instrument capable of detecting flaws in "green-state" (prior to sintering) powder metallurgy (P/M) parts. The instrument uses a matrix of impedance measurements from a multiprobe array which contacts the surface of the P/M part. The array of measured data is processed to not only detect the presence of flaws, but also determine their location, size, and orientation. Exp...

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