Journal of Manufacturing Processes, volume 69, pages 142-151
Simulated thermal tests of a molybdenum/graphite X-ray target manufactured with a novel Ti-Zr-Nb-Be powder filler metal: an investigation of the brazed joint evolution under operating conditions
Fedotov Victor V
1
,
Sliva Andrey
,
Dzhumaev Pavel
,
Svetogorov Roman
2
,
Sevryukov Oleg
1
,
Suchkov Alexey
1
,
Sliva Andrey
3
,
Kozlov Ilya
4, 5
Publication type: Journal Article
Publication date: 2021-09-01
Journal:
Journal of Manufacturing Processes
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 6.2
ISSN: 15266125
Industrial and Manufacturing Engineering
Strategy and Management
Management Science and Operations Research
Abstract
In this work, two molybdenum-graphite X-ray targets for computed tomography/angiography devices were manufactured with usage of Ti-40Zr-8.5Nb-1.5Be filler metal and 1400 °C – 20 min brazing mode. To confirm the efficiency of the proposed brazing method, a mechanical test and simulated heating of the anodes were carried out, as well as a study of the evolution of the brazed joint under operating conditions. The brazed joint of the anodes showed stability and maintained integrity after tests. However, it is revealed that the long-term heat treatment of the brazed Mo/graphite joint leads to an increase in the amount of carbides in the seam, and also converts the seam into a refractory state by suppressing the formation of beryllium eutectic, while the cyclic heating mainly affects the recrystallization of the seam phases, leading to phase fragmentation. Shear strength tests after simulated heating show that the failure of the Mo/graphite joint occurs in the graphite element with cracking due to the infiltration of the filler metal into graphite through the open porosity. Infiltrates could provoke the occurrence of stresses during cyclic heating/cooling because of the difference in the CTE of graphite and carbide phases. Nevertheless, the joints remained integrity and showed a minimal strength of 23.4 ± 2.5 MPa (after 20 heating cycles of 350 ↔ 1400 °C) and 26.1 ± 6.4 MPa (after vacuum annealing of 1400 °C – 8 h).
Citations by journals
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1
2
3
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International Journal of Refractory Metals and Hard Materials
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International Journal of Refractory Metals and Hard Materials
3 publications, 37.5%
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Journal of Materials Engineering and Performance
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Journal of Materials Engineering and Performance
1 publication, 12.5%
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Journal of Manufacturing Processes
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Journal of Manufacturing Processes
1 publication, 12.5%
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Vacuum
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Vacuum
1 publication, 12.5%
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Advanced Engineering Materials
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Advanced Engineering Materials
1 publication, 12.5%
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|
1
2
3
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Citations by publishers
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1
2
3
4
5
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Elsevier
|
Elsevier
5 publications, 62.5%
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Springer Nature
|
Springer Nature
1 publication, 12.5%
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Wiley
|
Wiley
1 publication, 12.5%
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1
2
3
4
5
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Fedotov V. V. et al. Simulated thermal tests of a molybdenum/graphite X-ray target manufactured with a novel Ti-Zr-Nb-Be powder filler metal: an investigation of the brazed joint evolution under operating conditions // Journal of Manufacturing Processes. 2021. Vol. 69. pp. 142-151.
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Fedotov V. V., Sliva A., Dzhumaev P., Kozlov I., Svetogorov R., Sevryukov O., Suchkov A., Sliva A., Dzhumaev P. S., Kozlov I. Simulated thermal tests of a molybdenum/graphite X-ray target manufactured with a novel Ti-Zr-Nb-Be powder filler metal: an investigation of the brazed joint evolution under operating conditions // Journal of Manufacturing Processes. 2021. Vol. 69. pp. 142-151.
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TY - JOUR
DO - 10.1016/j.jmapro.2021.07.035
UR - https://doi.org/10.1016%2Fj.jmapro.2021.07.035
TI - Simulated thermal tests of a molybdenum/graphite X-ray target manufactured with a novel Ti-Zr-Nb-Be powder filler metal: an investigation of the brazed joint evolution under operating conditions
T2 - Journal of Manufacturing Processes
AU - Fedotov, Victor V
AU - Sliva, Andrey
AU - Dzhumaev, Pavel
AU - Kozlov, Ilya
AU - Svetogorov, Roman
AU - Sevryukov, Oleg
AU - Suchkov, Alexey
AU - Sliva, Andrey
AU - Dzhumaev, Pavel S.
AU - Kozlov, Ilya
PY - 2021
DA - 2021/09/01 00:00:00
PB - Elsevier
SP - 142-151
VL - 69
SN - 1526-6125
ER -
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@article{2021_Fedotov,
author = {Victor V Fedotov and Andrey Sliva and Pavel Dzhumaev and Ilya Kozlov and Roman Svetogorov and Oleg Sevryukov and Alexey Suchkov and Andrey Sliva and Pavel S. Dzhumaev and Ilya Kozlov},
title = {Simulated thermal tests of a molybdenum/graphite X-ray target manufactured with a novel Ti-Zr-Nb-Be powder filler metal: an investigation of the brazed joint evolution under operating conditions},
journal = {Journal of Manufacturing Processes},
year = {2021},
volume = {69},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016%2Fj.jmapro.2021.07.035},
pages = {142--151},
doi = {10.1016/j.jmapro.2021.07.035}
}