Powder Metallurgy Applications in Space Vehicle Systems

Goetzel, C.G.; Rittenhouse, J. B.

doi:10.1007/978-1-4684-7712-2_15

Cited by 2 publications

(2 citation statements)

References 2 publications

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“…Finally, the hardness values shown in Fig. 12 are similar to those found in other work starting from prealloyed hydride-dehydride or PREP powders [13] or the ␣ + ␤ Ti-6Al-7Nb alloy processed by means of vacuum hot-pressing under similar processing conditions [14]. Moreover, the final hardness of vacuum hotpressed Ti-6Al-4V materials is generally higher than the nominal values of 321 HV of the wrought alloy [16], even though of some residual porosity, due to the greater amount of oxygen dissolved in the hot-pressed specimens (at least 0.42 wt.%) in comparison to the value specified for the wrought alloy (0.20 wt.%).…”

Section: Resultssupporting

confidence: 86%

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Microstructural evolution and mechanical properties of the Ti–6Al–4V alloy produced by vacuum hot-pressing

Bolzoni

Montealegre-Meléndez

Ruiz-Navas

et al. 2012

Materials Science and Engineering: A

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Abstract:In this work, the properties of the titanium industry workhorse, the Ti-6Al-4V alloy, processed by vacuum hot-pressing are studied. More in detail, relative density, microstructure characterisation and chemical analysis, precisely oxygen, nitrogen and carbon content, as well as flexural properties and hardness are considered. Components with relative density as high as 98% and mechanical properties similar to the wrought alloy, where these properties are affected by the formation of a reacted layer due to the interaction between titanium and the boron nitride (BN) coating, are obtained.

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Section: Resultssupporting

confidence: 86%

“…The values shown in Fig. 2, which are comparable to that of other author when processing the Ti-6Al-4V alloy [13] or the Ti-6Al-7Nb alloy [14] by vacuum hot-pressing or by inductive hot-pressing [15], are higher that those obtained from conventional pressing and sintering process, approximately 95% of the theoretical density [12]. Fig.…”

Section: Resultssupporting

confidence: 81%