Laser CVD System Design, Operation, and Modeling

Lackey, W. J.; Rosen, David W.; Duty, Chad; Jean, D.; Bondi, Scott N.; Elkhatib, Tarek; Johnson, Ryan; Jiang, Mingxuan; Jing, Mi; Gillespie, Josh; Harvey, Racheal

doi:10.1002/9780470294758.ch3

Cited by 3 publications

(1 citation statement)

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“…It allows superb spatial resolution (y5 mm) because the chemical reactions are restricted to the heated zone created by the focused laser spot, in contrast to the traditional CVD furnace which heats the entire surface of the substrate. 148 Laser CVD results in deposits with high purity, high degree of crystallinity, low porosity, excellent mechanical properties and thermal stability. These attributes are the result of deposition occurring one atom at a time.…”

Section: Laser Cvdmentioning

confidence: 99%

Synthesis and consolidation of boron carbide: a review

Suri

Subramanian

Sonber

et al. 2010

International Materials Reviews

646

290

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Boron carbide is a strategic material, finding applications in nuclear industry, armour for personnel and vehicle safety, rocket propellant, etc. Its high hardness makes it suitable for grinding and cutting tools, ceramic bearing, wire drawing dies, etc. Boron carbide is commercially produced either by carbothermic reduction of boric acid in electric furnaces or by magnesiothermy in presence of carbon. Since many specialty applications of boron carbide require dense bodies, its densification is of great importance. Hot pressing and hot isostatic pressing are the main processes employed for densification. In the recent past, various researchers have made attempts to improve the existing methods and also invent new processes for synthesis and consolidation of boron carbide. All the techniques on synthesis and consolidation of boron carbide are discussed in detail and critically reviewed.

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Section: Laser Cvdmentioning

confidence: 99%