1997
DOI: 10.1016/s0022-3093(97)00325-6
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Phase transformation in Nb—16 at.% Si processed by high-energy ball milling

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Cited by 19 publications
(11 citation statements)
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“…A halo was formed in Nb-37.5Si, Nb-25Si-12.5B, and Nb-12.5Si-25B powders after milling for 30 h, which can be associated to the formation of an amorphous phase. Previous work has indicated that an amorphous phase can be formed during ball milling in Nb-Si powder mixtures [14]. In Nb-37.5Si powders, the T 2 -phase was partially formed after milling for 60 h. In contrary, no intermetallic peaks were identified in Nb-25Si-12.5B and Nb-12.5Si-25B powders after milling for 100 h.…”
Section: Methodsmentioning
confidence: 86%
See 1 more Smart Citation
“…A halo was formed in Nb-37.5Si, Nb-25Si-12.5B, and Nb-12.5Si-25B powders after milling for 30 h, which can be associated to the formation of an amorphous phase. Previous work has indicated that an amorphous phase can be formed during ball milling in Nb-Si powder mixtures [14]. In Nb-37.5Si powders, the T 2 -phase was partially formed after milling for 60 h. In contrary, no intermetallic peaks were identified in Nb-25Si-12.5B and Nb-12.5Si-25B powders after milling for 100 h.…”
Section: Methodsmentioning
confidence: 86%
“…: +55 12 39471103; fax: +55 12 39471149. Studies on the preparation of Nb-Si binary alloys by mechanical alloying have been realized [14]. Recently, the mechanical alloying and further heat treatment of Nb-25Si-12.5B powders successfully produced a large amount of T 2 -phase [15].…”
Section: Introductionmentioning
confidence: 99%
“…9 As powder source, mechanical alloying and gas atomization are chosen. While there was previous research on PM processing of niobium silicides by mechanical alloying [10][11][12] or gas atomization, 5 the combination with net-shape capable compaction processes and advanced multicomponent alloys is unique and, thus, the main focus of this study. As PM generally delivers a fine-grained microstructure, additional coarsening heat treatments are necessary to improve high-temperature creep resistance.…”
Section: Introductionmentioning
confidence: 99%
“…As compared with the arc-melted counterparts, Nb-Si alloys fabricated by spark plasma sintering owned fine grains because of the short holding time. Until recently, few reports have exhibited the microstructure and mechanical properties of Nb-Si alloys based on a Nb-Si-Ti ternary system by reactive hot-pressing sintering [16], and the synthesis of niobium silicides by ball milling of powder mixtures with different Si content of Nb-Si binary system [17][18][19]. However, rare report has been available on the influence of control agent on the mechanical alloying of Nb-Si powders, and the effect of processing parameters and routes of hot-pressing sintering on the microstructure and mechanical properties of Nb-Si alloys.…”
Section: Introductionmentioning
confidence: 99%