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Abstract
The possibility has been studied of preventing reaction between boron-carbide particles and an austenitic stainless-steel matrix by means of a a barrier layer on the particles. Silicon carbide is compatible with boron carbide up to 2000°C but reacts extensively with austenitic stainless steel above 1000°C and is thus ineffective as a barrier layer. Titanium carbide deposited from the vapour phase, although it reacts with B4C above 1300°C and under certain conditions with austenitic stainless steel at 1100°C, was the most suitable material considered.
Notes
* Manuscript received 26 May 1967.