Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Christopher D. Haines"'
Publikováno v:
Materials, Vol 9, Iss 7, p 577 (2016)
Spark plasma sintering (SPS) has been employed to consolidate a micron-sized zirconium carbide (ZrC) powder. ZrC pellets with a variety of relative densities are obtained under different processing parameters. The densification kinetics of ZrC powder
Externí odkaz:
https://doaj.org/article/6eba9ea575364741b252ce56e45a3a0b
Autor:
Christina Back, Christopher D. Haines, Kenneth S. Vecchio, Eugene A. Olevsky, Darold Martin, Xialu Wei, Oleg Izhvanov
Publikováno v:
Journal of the American Ceramic Society. 102:548-558
Autor:
Andrey L. Maximenko, Joseph Diatta, Elisa Torresani, Eugene A. Olevsky, Christopher D. Haines, Darold Martin
Publikováno v:
Results in Physics, Vol 29, Iss, Pp 104719-(2021)
The influence of the Peltier thermoelectric effect on the evolution of temperature, density, and grain size heterogeneities during spark plasma sintering (SPS) of boron carbide is numerically evaluated. An electro-thermo-mechanical model of the SPS p
Autor:
Julie M. Schoenung, Lin Jiang, Christopher D. Haines, Lin Huang, Ryan Carpenter, Chen Dai, Troy D. Topping, Xin Wang
Publikováno v:
Acta Materialia. 122:19-31
In this work a novel process methodology to concurrently improve the compressive strength (2078 MPa at a strain rate of 5 × 10−4 s−1) and strain-to-failure (over 40%) of bulk tungsten materials has been described. The process involves the in sit
Autor:
Mathias Herrmann, Diletta Giuntini, Alexander Michaelis, Eugene A. Olevsky, Jan Raethel, Christopher D. Haines
Publikováno v:
Journal of the Ceramic Society of Japan. 124:403-414
Spark Plasma Sintering (SPS) of silicon nitride is affected by temperature non-uniformities within the powder compact, resulting in density and microstructure inhomogeneities. A double-pyrometer experimental setup reveals a temperature disparity of 1
Publikováno v:
Journal of the American Ceramic Society. 98:3553-3560
An experimental investigation on electric contact resistance in the tooling utilized in spark plasma sintering (SPS) is conducted. Two different SPS regimes are operated without the presence of processed powder to obtain the punch–punch (horizontal
Autor:
Anthony J. Roberts, Christopher D. Haines, Kris A. Darling, Thomas L. Luckenbaugh, Sean Fudger
Publikováno v:
Metals, Vol 9, Iss 4, p 436 (2019)
Metals
Volume 9
Issue 4
Metals
Volume 9
Issue 4
An oxide-dispersion-strengthened (ODS) nanostructured FeNiZr alloy was fabricated via high energy mechanical alloying, and subsequently consolidated by the field assisted sintering technique (FAST). A range of input parameters: Temperature, hold time
Autor:
Joseph Paras, Ying Li, Troy D. Topping, Darold Martin, Enrique J. Lavernia, Christopher D. Haines, Julie M. Schoenung, Yuhong Xiong, Dongming Liu, Deepak Kapoor, Yizhang Zhou
Publikováno v:
Metallurgical and Materials Transactions A. 44:1908-1916
The influence of tooling material, i.e., graphite and WC-Co, on the microstructure of a spark plasma sintering (SPS) consolidated, nanostructured aluminum alloy is studied in this paper. The results show that tooling selection influences microstructu
Autor:
Darold Martin, Eugene A. Olevsky, William L. Bradbury, Deepak Kapoor, Christopher D. Haines, Cristina Garcia-Cardona
Publikováno v:
Journal of the American Ceramic Society. 95:2414-2422
A comprehensive three-dimensional fully coupled thermo-electro-mechanical finite element framework is developed for modeling spark plasma sintering (SPS). The finite element model is applied to the simulation of spark plasma processing with four diff
Publikováno v:
Journal of the American Ceramic Society. 95:2406-2413
Scalability experiments on the spark plasma sintering (SPS) of similarly shaped alumina specimens of the four different sizes are conducted. The utilized experimental methodology, based on the principle of rigorous proportionality of all the specimen