Effect of the parameters of dynamic hot pressing on the structure and properties of the powder material ZhGrO, 8D2N3G3CaF214 I. Initial porosity, work of compaction, sintering temperature and time, technological gap

1990 ◽  
Vol 29 (7) ◽  
pp. 559-563
Author(s):  
Yu. G. Dorofeev ◽  
G. Sh. Musa�lov ◽  
A. T. Mamedov
Keyword(s):  
Powder Material ◽  
Hot Pressing ◽  
Sintering Temperature ◽  
Initial Porosity ◽  
Structure And Properties ◽  
Technological Gap ◽  
Dynamic Hot Pressing

“Structure and Properties of (Ta1-хZrх)C and (Ta1-хHfх)C Solid Solutions Produced by SHS and Hot Pressing”

2021 ◽  
Author(s):  
V.V. Kurbatkina ◽  
E.I. Patsera ◽  
P.A. Loginov ◽  
T.A. Sviridova ◽  
V.V. Klechkovskaya ◽  
...  
Keyword(s):  
Solid Solutions ◽  
Hot Pressing ◽  
Structure And Properties

Effect of dynamic hot pressing on carbon diffusion in powder metallurgy permanent magnets

1974 ◽  
Vol 13 (1) ◽  
pp. 24-25
Author(s):  
Yu. G. Dorofeev ◽  
Yu. S. Shatov ◽  
K. K. Lamkov ◽  
E. A. Skorikov ◽  
B. G. Gasanov
Keyword(s):  
Powder Metallurgy ◽  
Hot Pressing ◽  
Permanent Magnets ◽  
Carbon Diffusion ◽  
Dynamic Hot Pressing

Effects of Sintering Process on the Properties of Ti3SiC2/Cu Composite

2012 ◽  
Vol 512-515 ◽  
pp. 377-381 ◽  
Author(s):  
Jin Rong Lu ◽  
Yang Zhou ◽  
Yong Zheng ◽  
Shi Bo Li ◽  
Zhen Ying Huang ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Vickers Hardness ◽  
Hot Pressing ◽  
Sintering Temperature ◽  
Sintering Process ◽  
Vacuum Sintering ◽  
New Type ◽  
Sintering Conditions ◽  
The Relationship ◽  
Better Than

In this paper, a new type of Ti3SiC2/Cu composites with the volume fractions of 30% Ti3SiC2 particle was prepared by hot pressing and vacuum sintering respectively. The effects of sintering temperature and holding time on the density, resistance and Vickers hardness of Cu-30vol%Ti3SiC2 composite were investigated. The results show that the mechanical properties of the composites prepared by hot pressing are better than that prepared by vacuum sintering. The relative densities of Cu-30vol% Ti3SiC2 composites are rather high in suitable sintering conditions. It achieved 100% for the composites prepared by hot pressing at 930°C for 2h, and 98.4% for the composites prepared by vacuum sintering at 1250°C for 1h. At the same time, the maximum Vickers hardness reached 1735MPa at 900°C by hot pressing. The resistance and Vickers hardness of the composites decreased with an increase in sintering temperature, whereas the density increased. Scanning electron microscope (SEM) and energy-dispersive spectroscopy (EDS) were used to observe the microstructure of the composites. The relationship between microstructure and mechanical properties was discussed.

Diffusion of carbon in iron specimens produced by dynamic hot pressing

1972 ◽  
Vol 11 (10) ◽  
pp. 792-795
Author(s):  
Yu. G. Dorofeev ◽  
V. V. Mural' ◽  
V. T. Prutsakov ◽  
K. K. Lamkov
Keyword(s):  
Hot Pressing ◽  
Dynamic Hot Pressing

Research of Effect of the Powder Material Quality in the Structure Formation of the DLD Inconel 718 Samples

2019 ◽  
Vol 822 ◽  
pp. 404-409
Author(s):  
S.S. Silchonok ◽  
G.G. Zadykyan ◽  
Oleg G. Zotov ◽  
Iuliia N. Morozova
Keyword(s):  
Chemical Composition ◽  
Nickel Alloy ◽  
Structure Formation ◽  
Powder Material ◽  
Inconel 718 ◽  
High Speed ◽  
Laser Deposition ◽  
Structure And Properties ◽  
Direct Laser ◽  
Deposition Technology

This article is devoted to Inconel 718 heat-resistant nickel alloy. Comparison of samples obtained by high-speed direct laser deposition technology of powders from different manufacturers on their structure and properties was carried out. The dependence of the influence of the chemical composition of the powders on the formation of defects in the studied samples was established

Influence of Sintering Temperature on the Structure and Properties of Powder Iron Aluminide Fe3Al

2020 ◽  
Vol 59 (3-4) ◽  
pp. 150-159
Author(s):  
O.I. Tolochyn ◽  
O.V. Tolochyna ◽  
H.A. Bagliuk ◽  
Ya.I. Yevych ◽  
Yu.M. Podrezov ◽  
...  
Keyword(s):  
Sintering Temperature ◽  
Iron Aluminide ◽  
Structure And Properties ◽  
Powder Iron

Study on Structure and Properties of Porous Copper Alloy

2013 ◽  
Vol 833 ◽  
pp. 301-304
Author(s):  
Hao Zhong ◽  
Yun Zhou
Keyword(s):  
Compressive Strength ◽  
Relative Density ◽  
Pore Size ◽  
Alloy Powder ◽  
Sintering Temperature ◽  
Raw Material ◽  
Structure And Properties ◽  
Pore Former ◽  
Porous Copper ◽  
Increasing Trend

CuSn6Zn6 alloy powder and a pore former were used as raw material. Porous bronze was successfully prepared by the sintering and dissolution process (SDP). The porosity is in range of 76%~88%, and the pore size is in range of 0.8~3.3mm. The effect of the porosity and cell sizes of specimens on its mechanical property was investigated, and the effect of sintering temperature on its relative density and porosity was also studied. The experimental results indicate that under the condition of the same pore size, the compressive strength decreases with the increase of porosity, the compressive strength changes from 10Mpa to 2Mpa with the porosity from 76% to 88%; under the same porosity condition, the compressive strength does not change significantly with the pore size, but it has a slightly increasing trend with the decrease of the pore size. The relative density of the specimens increases with the increase of the sintering temperature.

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