2007
DOI: 10.1016/j.scriptamat.2007.08.004
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Nanostructure–dendrite composites in the Fe–Zr binary alloy system exhibiting high strength and plasticity

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Cited by 112 publications
(47 citation statements)
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“…More recently, nanostructure or ultrafine eutectic-dendrite composites containing Laves phases, exhibiting a good combination of strength and ductility at room temperature, have been produced in the binary Fe-Zr [16], Ni-Zr [17] and Fe-Nb systems [18], which further indicate the validity of this approach for the improvement of the RT ductility of the materials containing Laves phases. In order to further investigate this aspect, in this work, multi-phase Fe 90Àx Zr 10 Cr x alloys (x ¼ 0, 5 and 10) containing Laves phase particles have been prepared by copper mold casting, and their structure and mechanical properties have been investigated in detail.…”
Section: Introductionmentioning
confidence: 92%
“…More recently, nanostructure or ultrafine eutectic-dendrite composites containing Laves phases, exhibiting a good combination of strength and ductility at room temperature, have been produced in the binary Fe-Zr [16], Ni-Zr [17] and Fe-Nb systems [18], which further indicate the validity of this approach for the improvement of the RT ductility of the materials containing Laves phases. In order to further investigate this aspect, in this work, multi-phase Fe 90Àx Zr 10 Cr x alloys (x ¼ 0, 5 and 10) containing Laves phase particles have been prepared by copper mold casting, and their structure and mechanical properties have been investigated in detail.…”
Section: Introductionmentioning
confidence: 92%
“…The enhancement of strength up to 2 GPa in UECs has occurred due to the presence of hard intermetallic nano-lamellar phase(s) in the matrix of Ti-Cu-Ni-Sn-Nb [22], Zr-Cu-Ni-Al-Nb [23], Ti-FeSn [13][14][15][16][17], Fe-Nb-(Al/Mn/Ni) [3,24], Al-Cu-Si [25], and Ni-Zr [4,26,27]. Whereas, the improvement of compressive plasticity of UECs have been interlinked with the formation of large number of shear bands [28,29], and localized rotation of the colony boundaries to effectively dissipate the shear stress [10,11,[20][21][22]25], which have been further assisted due to the change in the lamellar morphology upon alloy additions [21].…”
Section: Introductionmentioning
confidence: 99%
“…So far, the bulk mechanical properties and the fracture behavior of these UECs have been studied extensively under compression [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29]. Lee et al has recently reported that plastic deformation in bimodal UECs proceeds through rotation, individual and accumulated interface controlled modes [25].…”
Section: Introductionmentioning
confidence: 99%
“…Even binary eutectic TieFe has been reported to show high strength and plasticity (compressive fracture strength: w2.2 GPa, compressive plastic strain: w6.7%) [38]. More recently, it has been shown that in binary eutectic FeeZr a good combination of properties (compressive fracture strength: w1.8 GPa, compressive plastic strain: w12%) can be obtained [39]. In particular, enhanced mechanical properties have been obtained when the propagation of shear bands is limited in the area between the coarse primary dendrites embedded in the fine-scale eutectic matrix, preventing catastrophic failure [40e42].…”
Section: Introductionmentioning
confidence: 99%