Enhancement of Mechanical Properties of Pure Aluminium through Contactless Melt Sonicating Treatment.
Enhancement of Mechanical Properties of Pure Aluminium through Contactless Melt Sonicating Treatment.
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通过非接触式熔体超声处理提高纯铝的力学性能
DOI:
10.3390/ma14164479
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发表时间:
2021-08-10
期刊:
影响因子:
--
通讯作者:
Pericleous KA
中科院分区:
文献类型:
--
作者:
Dybalska A;Caden A;Griffiths WD;Nashwan Z;Bojarevics V;Djambazov G;Tonry CEH;Pericleous KA
A new contactless ultrasonic sonotrode method was previously designed to provide cavitation conditions inside liquid metal. The oscillation of entrapped gas bubbles followed by their final collapse causes extreme pressure changes leading to de-agglomeration and the dispersion of oxide films. The forced wetting of particle surfaces and degassing are other mechanisms that are considered to be involved. Previous publications showed a significant decrease in grain size using this technique. In this paper, the authors extend this research to strength measurements and demonstrate an improvement in cast quality. Degassing effects are also interpreted to illustrate the main mechanisms involved in alloy strengthening. The mean values and Weibull analysis are presented where appropriate to complete the data. The test results on cast Al demonstrated a maximum of 48% grain refinement, a 28% increase in elongation compared to 16% for untreated material and up to 17% increase in ultimate tensile strength (UTS). Under conditions promoting degassing, the hydrogen content was reduced by 0.1 cm3/100 g.
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DOI:
10.1007/s11665-019-03973-9
发表时间:
2019-07-01
影响因子:
2.3
作者:
Dojka, Rafal;Jezierski, Jan;Tiedje, Niels Skat
通讯作者:
Tiedje, Niels Skat
DOI:
10.1016/0921-5093(93)90226-5
发表时间:
1993-12-20
影响因子:
6.4
作者:
GREEN, NR;CAMPBELL, J
通讯作者:
CAMPBELL, J
影响因子:
0.6
作者:
Bruna, M.;Galcik, M.
通讯作者:
Galcik, M.
影响因子:
9.4
作者:
Lee, Sung Bo;Kim, Young-Min
通讯作者:
Kim, Young-Min
DOI:
10.1007/bf00722337
发表时间:
1988-11-01
期刊:
JOURNAL OF MATERIALS SCIENCE LETTERS
影响因子:
--
作者:
FAUCHER, B;TYSON, WR
通讯作者:
TYSON, WR