Cold rotary swaging of a tungsten heavy alloy: Numerical and experimental investigations
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F16%3A86099235" target="_blank" >RIV/61989100:27230/16:86099235 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27360/16:86099235
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0263436816304267" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0263436816304267</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.ijrmhm.2016.10.005" target="_blank" >10.1016/j.ijrmhm.2016.10.005</a>
Alternative languages
Result language
angličtina
Original language name
Cold rotary swaging of a tungsten heavy alloy: Numerical and experimental investigations
Original language description
A finite element analysis was performed to predict behaviour of sintered tungsten-based heavy alloy during cold rotary swaging, while experimental investigations evaluated mechanical and structure properties in both, sintered and swaged material states. The simulation involved prediction of swaging force, which was subsequently compared with force measured experimentally using own designed force detection system, although other parameters, such as strain, strain rate, stress and temperature were also predicted and subsequently compared to experimental data. The results showed significant hardening and strengthening after swaging; the average ultimate strengths after sintering and swaging, respectively, were 860 MPa and 1680 MPa. This also contributed to very high swaging force of almost 600 kN. The distribution of microhardness across the cross-section confirmed the predicted strain distribution. Texture analyses revealed a notion of cube texture given primarily by the fcc matrix in the sintered state, while several ideal orientations for both the fcc and bcc phases were observed after swaging. As indicated by grains misorientations analyses, swaging introduced residual stress, the distribution of which was in conformity with the predicted stress and strain distributions.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JG - Metallurgy, metal materials
OECD FORD branch
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Result continuities
Project
<a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
International Journal of Refractory Metals and Hard Materials
ISSN
0263-4368
e-ISSN
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Volume of the periodical
61
Issue of the periodical within the volume
December
Country of publishing house
US - UNITED STATES
Number of pages
9
Pages from-to
264-272
UT code for WoS article
000388048300035
EID of the result in the Scopus database
2-s2.0-84992025856