An X-ray study of residual stresses and bending stresses in free-standing Nb/Nb5Si3 microlaminates

Shang, Changhua; Heerden, D. Van; Gavens, A. J.; Weihs, T. P.

doi:10.1016/s1359-6454(00)00125-7

Cited by 29 publications

(7 citation statements)

References 13 publications

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“…However, by annealing the microlaminates at 1500°C under a lOOMPa compressive stress we were able to suppress the formation of this phase (compare Figures 1(a) and (b)). This result agrees with our report that the formation of the NbaSi phase is favored by the tensile stresses that arise in the Nb layers on cooling for high temperature anneals [4][5][6].…”

Section: Supported Personnelsupporting

confidence: 93%

Processing and High Temperature Properties of Nb/Nb5Si3 Laminates

Weihs¹,

VanHeerden²

2004

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Section: Supported Personnelsupporting

confidence: 93%

Processing and High Temperature Properties of Nb/Nb5Si3 Laminates

Weihs¹,

VanHeerden²

2004

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“…Here, s/he will meet with the "substructure" of the "landscape". Examples of latest knowledge that feed in the "landscape" are the extensive and continuous metallurgical and materials science research on HEAs, CCAs, RCCAs and RHEAs, e.g., [75][76][77][78][79][80][81][82][83][84][85], research on RMICs, e.g., [86][87][88][89][90][91][92], research on mechanical properties, oxidation, e.g., [86,[93][94][95][96][97][98][99][100][101][102][103] and processing, e.g., [75,76,78,102], data relevant to phase equilibria and phase diagrams, e.g., [71,72,[104][105][106][107][108][109][110][111][112], all of which is assessed and evaluated within and without NICE. However, the latest knowledge does not stop to the aforementioned but includes other types of knowledge, for example, k...…”

Section: Walk In the Substructure Of The "Landscape"mentioning

confidence: 99%

A Perspective of the Design and Development of Metallic Ultra-High Temperature Materials: Refractory Metal Intermetallic Composites, Refractory Complex Concentrated Alloys and Refractory High Entropy Alloys

Tsakiropoulos

2023

Alloys

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The paper is a personal perspective on the design of metallic ultra-high temperature materials (UHTMs). Specifically, the alloy design “landscape” of metallic UHTMs was considered from the viewpoint of the alloy design methodology NICE. The concepts of synergy, entanglement and self-regulation and their significance for alloy design/development were discussed. The risks, ecological challenges and material-environment interactions associated with the development of metallic UHTMs were highlighted. The “landscape” showed that beneath the complexities of alloy design lies an elegant and powerful unity of specific parameters that link logically and that progress can be made by recognising those interrelationships between parameters that generate interesting, diverse, and complex alloys.

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“…interfacial porosity weakened interface bonding between layers and reduced the interfacial constraint on the plastic deformation of metal layers, which could result in a decreased strength but an increased elongation of metal layers. The grain growth and recrystallization resulted in densification [1] and increased grain-boundary strength, which could improve the strength and elongation of metal layers. Fig.…”

Section: Tensile Propertiesmentioning

confidence: 99%

“…Many studies have been focused on metal/ceramic microlaminates, since they show superior high temperature creep resistance compared to metals, simultaneously having better toughness and structural integrity compared to monolithic ceramics [1,2]. On the other hand, a microlaminate has the advantage that the distribution and volume fraction of the phases can be readily controlled by altering the layer thicknesses [3].…”

Section: Introductionmentioning

confidence: 99%