scholarly journals Pressureless sintering and properties of boron carbide composite materials

2019 ◽  
Vol 17 (2) ◽  
pp. 407-412 ◽  
Author(s):  
Hans‐Peter Martin ◽  
Bing Feng ◽  
Alexander Michaelis
Keyword(s):  
Composite Materials ◽  
Boron Carbide ◽  
Pressureless Sintering ◽  
Carbide Composite

Corrosion study on AA5083 aluminum alloy - boron carbide composite

2019 ◽  
Vol 16 ◽  
pp. 1124-1129 ◽  
Author(s):  
N. Vasudevan ◽  
G.B. Bhaskar ◽  
A. Rajendra Prasad ◽  
S.M. Suresh
Keyword(s):  
Aluminum Alloy ◽  
Boron Carbide ◽  
Corrosion Study ◽  
Carbide Composite ◽  
Aa5083 Aluminum Alloy

Pressureless Sintering of Boron Carbide-Based Superhard Materials

2010 ◽  
Vol 159 ◽  
pp. 145-148 ◽  
Author(s):  
Dimitar D. Radev
Keyword(s):  
Transition Metal ◽  
Boron Carbide ◽  
Sintering Temperature ◽  
Liquid Phase Sintering ◽  
Vacuum Furnace ◽  
Pressureless Sintering ◽  
Metal Carbides ◽  
Sintering Aids ◽  
Transition Metal Carbides

Boron carbide-based materials B4C-MexBy were densified by pressureless sintering in a vacuum furnace. Some transition metal carbides (TiC, ZrC, HfC, Cr3C2 and WC) from groups IV-VI were used as sintering aids. The optimal sintering temperature in the range 2220-2250oC was used for any composition. Here we show the possibilities to activate the mass transport of the B4C by the mechanism of liquid phase sintering. The method of reactive sintering of B4C in the presence of additives of some transition metal carbides allows in situ synthesis of dense B4C-MexBy materials. Structural properties and fracture toughness of the B4C-based composite materials were discussed. The properties of some of these materials and the possibilities for their application are also discussed.

Sintering of Commercial B4C with Synthesized B4C Additions

2008 ◽  
Vol 591-593 ◽  
pp. 588-592
Author(s):  
Rosa Maria da Rocha ◽  
Jonas S. Gutierres ◽  
Francisco Cristóvão Lourenço de Melo
Keyword(s):  
Thermal Stability ◽  
Carbon Source ◽  
Carbon Black ◽  
Boron Carbide ◽  
Carbothermal Reduction ◽  
Pressureless Sintering ◽  
High Chemical ◽  
Powder Mixtures ◽  
B4c Powder ◽  
Sintered Materials

Boron Carbide is a ceramic material of technological application due to its extreme hardness and high chemical and thermal stability. The effect of synthesized boron carbide addition on pressureless sintering and hot-pressing of a commercial B4C was investigated. B4C synthesized by carbothermal reduction using carbon black as carbon source was mixtured in 10, 30 and 50 wt% to a commercial B4C. Powder mixtures were compacted into pellets and sintered by pressureless sintering at 2050 °C/30min Samples were compared to a pure commercial B4C and characterization results have not showed great differences. Relative densities of as-sintered materials exceed 93% of theoretical for all compositions and microhardness Hv of ∼ 32 GPa was obtained.

Pressureless sintering of titanium carbide doped with boron or boron carbide

2017 ◽  
Vol 37 (2) ◽  
pp. 539-547 ◽  
Author(s):  
Yifeng Gu ◽  
Ji-Xuan Liu ◽  
Fangfang Xu ◽  
Guo-Jun Zhang
Keyword(s):  
Titanium Carbide ◽  
Boron Carbide ◽  
Pressureless Sintering

Microwave-assisted pressureless sintering of silicon-reinforced boron carbide composites

2020 ◽  
Vol 292 ◽  
pp. 121659
Author(s):  
Boris Dyatkin ◽  
Raymond M. Gamache ◽  
Benjamin Y. Rock ◽  
Syed B. Qadri ◽  
William K. Edelen ◽  
...  
Keyword(s):  
Boron Carbide ◽  
Pressureless Sintering ◽  
Microwave Assisted
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