Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Valmikanathan P. Onbattuvelli"'
Autor:
John Simonsen, Valmikanathan P. Onbattuvelli, Sundar V. Atre, Vamsi Krishna Balla, Kunal H. Kate, Ravi K. Enneti
Publikováno v:
Materials Today Communications. 22:100797
The thermal stability of nanocomposites of cellulose nanocrystals (CNC) dispersed in polysulfone (PSf) was studied to understand the influence of heating rate and CNC concentration using thermogravimetric analysis (TGA). While heating rate was found
Autor:
Sundar V. Atre, Valmikanathan P. Onbattuvelli, Richard E. Chinn, Ravi K. Enneti, Seong Jin Park
Publikováno v:
Ceramics International. 40:13861-13868
The effects of nanoparticle addition on the multi-step debinding of injection molded SiC samples were studied. Experiments varying the solvent debinding conditions (time, temperature and aspect ratio) were performed on monomodal, microscale (μ) and
Publikováno v:
Ceramics International. 39:6887-6897
Powder injection molding (PIM) is useful to manufacture small, complex metal and ceramic components in high production volumes. Mixing nanoparticles (n) with microparticles (μ) has been previously identified in our research group as a promising appr
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 36:183-190
The development of methods to increase sintered density and improve dimensional tolerances is a crucial issue in powder metallurgy and ceramic processing. Increasing the packing density of starting powders is one effective route to achieve high sinte
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 36:77-84
The effects of nanoparticle addition on the multi-step debinding of injection molded aluminum nitride (AlN) samples were studied. Experiments varying the solvent debinding conditions (time, temperature and aspect ratio) were performed on monomodal, m
Publikováno v:
Ceramics International. 38:6495-6499
The effects of nanoparticle addition on the pressureless sintering of injection molded and debound aluminum nitride (AlN) samples were studied. Variations in the densification, microstructure, and properties owing to the increased powder content and
Publikováno v:
Ceramics International. 38:5393-5399
The effects of nanoparticle addition on the pressureless sintering of injection molded and thermally debound silicon carbide (SiC) samples were studied. The influence of increased powder content and reduced particle size on the densification, microst
Autor:
Valmikanathan P. Onbattuvelli, Sundar V. Atre, Kunal H. Kate, Seong Jin Park, Ravi K. Enneti, Shi W. Lee
Publikováno v:
JOM. 64:1048-1058
Aluminum nitride has been favored for applications in manufacturing substrates for heat sinks due to its elevated temperature operability, high thermal conductivity, and low thermal expansion coefficient. Powder injection molding is a high-volume man
Autor:
Sundar V. Atre, Seong Jin Park, Sachin Laddha, Valmikanathan P. Onbattuvelli, Jupiter Palagi de Souza
Publikováno v:
Tecnologia em Metalurgia, Materiais e Mineração, Vol 9, Iss 2, Pp 123-131 (2012)
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Repositório Institucional da UFRGS
Universidade Federal do Rio Grande do Sul (UFRGS)
instacron:UFRGS
Silicon carbide (SiC) exhibits many functional properties that are relevant to applications in electronics, aerospace, defense and automotive industries. However, the successful translation of these properties into final applications lies in the net-
Autor:
Renee Martin, Kunal H. Kate, Ravi K. Enneti, Valmikanathan P. Onbattuvelli, Juergen Lenz, Sundar V. Atre
Publikováno v:
JOM. 64:388-392
Silicon nitride has been the favored material for manufacturing high-efficiency engine components for transportation due to its high temperature stability, good wear resistance, excellent corrosion resistance, thermal shock resistance, and low densit