2021
DOI: 10.1080/21870764.2021.1913867
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Thermal stability and decomposition paths of MoAlB ceramic

Abstract: The thermal stability of MoAlB powder was studied. The effects of vacuum, Ar protection, molten salt treatment, and additives (B and C) on its thermal stability were studied. Results showed that MoAlB powder would react with a small amount of O 2 in the furnace under vacuum and low temperature to form MoB, Al 3 Mo, B 2 O 3 , and Al 2 O 3 . At higher temperature, MoAlB first decomposed into MoB and Al. Al was oxidized to Al 2 O 3 . The thermal stability of MoAlB powder was better under the protection of Ar. How… Show more

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Cited by 4 publications
(1 citation statement)
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“…In previous studies, the intrinsic structural [3,4], mechanical [5,6], electrical [7,8], magnetic [9,10], thermal [11][12][13], optical [14,15], oxidation resistant [16], crack healing [17], radiation tolerant [18,19], friction and wear properties [20][21][22] and machinability [4] of these materials as well as the underlying mechanisms have attracted a lot of attention and investigated both through first-principles calculations and as experimentally synthesized powder [23], ceramic pellet [24] and coating [25]. In recent years, the influence of different synthetic method [26][27][28][29], coating deposition condition [30,31] and application environment [32][33][34][35] on these properties have also been taken into consideration. Doping and solid-solution have been introduced to further improve the mechanical, electrical, thermal and oxidation resistant properties of these two materials [36][37][38][39][40].…”
Section: Introductionmentioning
confidence: 99%
“…In previous studies, the intrinsic structural [3,4], mechanical [5,6], electrical [7,8], magnetic [9,10], thermal [11][12][13], optical [14,15], oxidation resistant [16], crack healing [17], radiation tolerant [18,19], friction and wear properties [20][21][22] and machinability [4] of these materials as well as the underlying mechanisms have attracted a lot of attention and investigated both through first-principles calculations and as experimentally synthesized powder [23], ceramic pellet [24] and coating [25]. In recent years, the influence of different synthetic method [26][27][28][29], coating deposition condition [30,31] and application environment [32][33][34][35] on these properties have also been taken into consideration. Doping and solid-solution have been introduced to further improve the mechanical, electrical, thermal and oxidation resistant properties of these two materials [36][37][38][39][40].…”
Section: Introductionmentioning
confidence: 99%