In situ TiBw/Ti–6Al–4V composites with novel reinforcement architecture fabricated by reaction hot pressing

Huang, Ling; Li, Geng; Li, A.B.; Fan, Yang; Peng, H-X

doi:10.1016/j.scriptamat.2009.02.032

Cited by 276 publications

(117 citation statements)

References 13 publications

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“…It can be seen that the composites with network microstructure and laminated microstructure exhibit a good combination of high strength and high elongation. Similar phenomenon was reported in our previous work [13] . Obviously, the elastic modulus of TiBw/Ti composites with network microstructure is higher than that of the composites with homogenous reinforcement distribution seen in Table 1.…”

Section: Tensile Propertiessupporting

confidence: 93%

“…Recently, as reported in our previous work [13][14][15] , the elastic modulus, ultimate strength and fracture elongation of TiBw/Ti composites with modest reinforcement volume fractions can be further increased by tailoring network reinforcement distribution, which can be explained by Hashin-Shtrikman (H-S) bounds. Moreover, the TiB whisker-rich network boundary region imparts the superior strengthening effect and a relatively large TiB whisker-lean region contributes to the ductility of the composites [13][14][15][16] .…”

Section: Introductionmentioning

confidence: 76%

“… 1 = 2 =, so the constitutive relationship is depicted as follows: (12) where ε is the total strain of material, so the parallel law of transverse elastic modulus can be deduced by Eq. (13): (13) Similarly, the Poisson's ratio of transverse direction is fi tting to the Eq. (14):…”

Section: The Predication Of Elastic Modulus Of Laminated Ti-tibw/ti Cmentioning

confidence: 99%

“…Moreover, the TiB whisker-rich network boundary region imparts the superior strengthening effect and a relatively large TiB whisker-lean region contributes to the ductility of the composites [13][14][15][16] .…”

Section: Introductionmentioning

confidence: 99%

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Elastic and plastic behaviors of laminated Ti-TiBw/Ti composites

Liu

Huang

2015

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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The novel laminated Ti-TiBw/Ti composites composed of pure Ti layers and TiBw/Ti composite layers have been successfully fabricated by reactive hot pressing. Herein, two-scale structures formed: the pure Ti layer and TiBw/Ti composite layer together constructed a laminated structure at a macro scale. Furthermore, TiBw reinforcement was distributed around Ti particles and then formed a network microstructure in TiBw/Ti composite layer at a micro scale. The laminated Ti-TiBw/Ti composites reveal a superior combination of high strength and high elongation due to two-scale structures compared with the pure Ti, and a further enhancement in ductility compared with the network structured composites. Moreover, the elastic modulus of the laminated composites can be predicted by H-S upper bound, which is consistent with the experimental values.

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Section: Tensile Propertiessupporting

confidence: 93%

Section: Introductionmentioning

confidence: 76%

Section: The Predication Of Elastic Modulus Of Laminated Ti-tibw/ti Cmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Elastic and plastic behaviors of laminated Ti-TiBw/Ti composites

Liu

Huang

2015

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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“…high strength and excellent wear, corrosion, creep, and fatigue resistances [9][10][11][12][13]. It was reported that the characteristics of Tibased composites can be improved by adding ceramic particles to the matrix [14,15]. Several ceramic additives, such as Al 2 O 3 , TiN, TiB 2 , SiC, TiC, and B 4 C, have been added as reinforcement phases to Ti-based composites in order to investigate the in uences of such additives on microstructure as well as physical and mechanical properties [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Effects of in-situ formed TiB whiskers on microstructure and mechanical properties of spark plasma sintered Ti–B4C and Ti–TiB2 composites

2017

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Abstract. Monolithic titanium, Ti-1 wt% B 4 C, and Ti-2.5 wt% TiB 2 were spark plasma sintered at 1050 C for 5 min under 50 MPa. The e ects of B 4 C and TiB 2 additions on densi cation process, microstructural development, and mechanical properties of titanium were investigated. The results revealed that relative density of undoped as well as B 4 Cand TiB2-doped Ti samples reached s98-99%. X-ray di raction patterns, thermodynamic assessments, and microstructural investigations veri ed the in-situ formation of TiB whiskers in both composite samples as well as the appearance of TiC spheres in Ti-B 4 C composite. However, trace unreacted TiB2 and B4C additives remained in the composites as a result of incomplete chemical reactions due to short-time SPS process. Compared to undoped Ti sample, grain growth was hindered when the sample was doped by B4C or TiB 2 . Elongation, ultimate tensile strength, and Vickers hardness of B 4 C-or TiB 2 -doped samples were higher than those of monolithic titanium, but bending strength of ceramicdoped samples was signi cantly lower, compared to undoped titanium. These outcomes were discussed in detail and related to the presence/formation of several ceramic phases with di erent morphologies in Ti matrix.

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Metal Matrix Composites: Corrosion

Salvago

Bestetti

2011

Wiley Encyclopedia of Composites

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Metal matrix composites (MMCs) are important materials usually designed for applications where the mechanical performances are the most important technical requirements. Nowadays, the applications of MMCs are not only limited to automotive and aerospace industries but also they are widespread into other industries. In this respect, it becomes important to take into account also the corrosion resistance behavior of MMCs, in relation to different factors, such as metal matrix composition and microstructure, particles composition, size, and dispersion, environments where MMCs are used. This article is a comprehensive literature review on the corrosion mechanisms and the methods used to prevent corrosion for the most important types of MMCs. In this article, different metal matrices are considered, by taking into account generally active ones (Mg), those with amphoteric characteristics (Al, Zn), noble metal matrices with film‐forming corrosion products (Cu), and those that form passivation layers affected by chlorides (steel, Ni), and finally metal matrices with stable passivity (Ti).

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In situ TiBw/Ti–6Al–4V composites with novel reinforcement architecture fabricated by reaction hot pressing

Cited by 276 publications

References 13 publications

Elastic and plastic behaviors of laminated Ti-TiBw/Ti composites

Elastic and plastic behaviors of laminated Ti-TiBw/Ti composites

Effects of in-situ formed TiB whiskers on microstructure and mechanical properties of spark plasma sintered Ti–B4C and Ti–TiB2 composites

Metal Matrix Composites: Corrosion

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