Simulation of temperature and stress distributions in functionally graded materials synthesized by a spark plasma sintering process

2012 ◽  
Vol 60 ◽  
pp. 168-175 ◽  
Author(s):  
Sai Wei ◽  
Zhao-Hui Zhang ◽  
Xiang-Bo Shen ◽  
Fu-Chi Wang ◽  
Ming-Yan Sun ◽  
...  
Keyword(s):  
Spark Plasma Sintering ◽  
Functionally Graded Materials ◽  
Functionally Graded ◽  
Stress Distributions ◽  
Sintering Process ◽  
Graded Materials ◽  
Plasma Sintering ◽  
Spark Plasma

Preparation of Functionally Graded Cu/AlN/Cu Electrode Materials for Thermoelectric Devices

2007 ◽  
Vol 336-338 ◽  
pp. 2613-2615 ◽  
Author(s):  
Huai Quan Zhang ◽  
Jing Feng Li
Keyword(s):  
Spark Plasma Sintering ◽  
Functionally Graded Materials ◽  
Electrode Materials ◽  
Functionally Graded ◽  
Thermoelectric Devices ◽  
Graded Materials ◽  
Step Process ◽  
Plasma Sintering ◽  
Spark Plasma

The Cu/AlN/Cu functionally graded materials (FGMs) were successfully fabricated using the spark plasma sintering (SPS) method, and a two-step process was used. First, a symmetrical porositygraded AlN plate was prepared using AlN powder consisting of particles of varying sizes. Afterwards, graded Cu/AlN/Cu samples were made by introducing Cu into the pores of the external, porous AlN layer.

Functionally Graded Nano Hardmetal Materials Made by Spark Plasma Sintering Technology

2005 ◽  
Vol 23 ◽  
pp. 179-182 ◽  
Author(s):  
Xinglong Tan ◽  
Shaoyu Qiu ◽  
Wenyan He ◽  
Daifu Lei
Keyword(s):  
Stainless Steel ◽  
Internal Stress ◽  
Spark Plasma Sintering ◽  
Functionally Graded Materials ◽  
Functionally Graded ◽  
The Other ◽  
Graded Materials ◽  
Plasma Sintering ◽  
Spark Plasma ◽  
Sintering Processes

The properties of nano WC/Co hardmetals prepared by different Spark Plasma Sintering processes were measured. A 4-layer Functionally Graded Materials (FGM) was also obtained by Spark Plasma Sintering technology (SPS), starting from powders of nano WC/10%Co, nano WC/12%Co, micro WC/15%Co and stainless steel disk. The other 3-layer FGM was made from powders of nano 21%Al2O3/ZrO2, nickel and stainless steel. The SPS processing led to FGM free of internal stress, which was measured using Vickers indentations.

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