Evolution of the pore structure of a ceramic powder compact during sintering

1996 ◽  
Vol 59 (4) ◽  
pp. 297-302 ◽  
Author(s):  
G.Q.(Max) Lu
Keyword(s):  
Pore Structure ◽  
Powder Compact ◽  
Ceramic Powder

Study of pore structure of refractory concrete with ceramic powder addition

2019 ◽  
Author(s):  
Ondřej Holčapek ◽  
Jan Machovec ◽  
Jaroslav Pokorný
Keyword(s):  
Pore Structure ◽  
Refractory Concrete ◽  
Ceramic Powder ◽  
Powder Addition

FOAMING AGENT FOR ALLOYS OF ALUMINIUM FOAMS

2018 ◽  
Vol 32 (2) ◽  
pp. 53-59
Author(s):  
Jozsef Juhasz ◽  
Vasile Hotea ◽  
Keyword(s):  
Thermal Analysis ◽  
Pore Structure ◽  
Powder Compact ◽  
Matrix Alloy ◽  
Aluminium Foam ◽  
Foaming Agent ◽  
Melting Technique ◽  
Foam Production

The powder compact melting technique for aluminium foam production as practised today accepts a certain mismatch between foaming agent decomposition and matrix alloy melting temperatures.This mismatch is believed to influence the pore structure in an unfavourable way. Adjustment of TiH 2 decomposition as well as liquidus and solidus temperatures of matrix alloys can be used to counteract it. Effects of TiH 2 thermal are investigated using thermal analysis. TiH 2 variants gained via annealing treatments were used to produce aluminium foam precursor materials.

scholarly journals Prediction of Fracture during Sintering of Ceramic Powder Compact.

1997 ◽  
Vol 40 (2) ◽  
pp. 329-334
Author(s):  
Ken-ichiro MORI ◽  
Masahide MIYAZAKI ◽  
Kozo OSAKADA
Keyword(s):  
Powder Compact ◽  
Ceramic Powder

scholarly journals Densification of Particulate Ceramic Composites: The Role of Heterogeneities

1989 ◽  
Vol 155 ◽  
Author(s):  
Lutgard C. De Jonghe ◽  
Mohamed N. Rahaman
Keyword(s):  
Composite Powder ◽  
Powder Compact ◽  
Ceramic Powder ◽  
Ceramic Composites ◽  
Negative Effects ◽  
Alternative Processing ◽  
Inclusion Phase ◽  
Die Compaction ◽  
Powder Compacts

ABSTRACTInert p articulate inclusions in ceramic powder compacts can obstruct densification behavior significantly. The factors that are the causes of this decrease in the sinterability are reviewed. It is concluded that the origin of the sintering difficulty resides in defects that processes such as die compaction introduce during the initial forming of the composite powder compact. Alternative processing methods are suggested that should minimize the negative effects of the dispersed inclusion phase on densification.

Influence of Material and Arrangement Mold on the Foaming Behavior of Extruded Precursor

2018 ◽  
Vol 933 ◽  
pp. 92-96
Author(s):  
Fang Wang ◽  
Lu Cai Wang
Keyword(s):  
Pore Structure ◽  
Powder Compact ◽  
Orthogonal Test ◽  
Furnace Temperature ◽  
Foam Expansion ◽  
Foaming Agent ◽  
Foaming Behavior ◽  
Hollow Part ◽  
Foaming Time

In this paper, the extruded precursors were prepared by Powder compact method (PCM),with two different powder AlSi10 or pure Al mixed foaming agent ZrH2 or TiH2, then they were foamed to fill the hollow part. L9 (33) orthogonal test was planned, including three factors, furnace temperature; foaming time; and arrangement mode. The results indicated that the pore structure were effectively improved through adjusting the arrangement mode of precursors. The specimens have been obtained the homogeneous foam expansion when the AlSi10-TiH2 agent were arranged on the top while AlSi10-ZrH2 agent precursors at the bottom in the hollow, and foamed 14 min~16 min at 800 °C

Sign in / Sign up

Export Citation Format

Share Document