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Multi-response optimization of GTAW process parameters in terms of energy efficiency and quality
ID
Van, An-Le
(
Author
),
ID
Nguyen, Thai-Chung
(
Author
),
ID
Bui, Huu-Toan
(
Author
),
ID
Dang, Xuan-Ba
(
Author
),
ID
Nguyen, Trung Thanh
(
Author
)
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https://www.sv-jme.eu/sl/article/multi-response-optimization-of-gtaw-process-parameters-in-terms-of-energy-efficiency-and-quality/
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Abstract
This work optimizes the current (I), voltage (V), flow rate (F), and arc gap (G) of the gas tungsten arc welding (GTAW) of the Ti40A titanium alloy to decrease the heat input (HI) and improve the ultimate tensile strength (TS) and micro-hardness (MH). The radial basis function network (RBFN) was utilized to present performance measures, while weighted principal component analysis (WPCA) and an adaptive non-dominated sorting genetic algorithm II (ANSGA-II) were applied to estimate the weights and generate optimal points. The evaluation via an area-based method of ranking (EAMR) was employed to determine the best solution. The results indicated that the optimal I, V, F, and G are 89 A, 23 V, 20 L/min, and 1.5 mm, respectively. The improvements in the TS and MH were 1.2 % and 19.8 %, respectively, while the HI was saved by 18.4 %. The RBFN models provided acceptable accuracy for prediction purposes. The ANSGA-II provides better optimality than the conventional NSGA-II. The HI, TS, and MH of the practical GTAW Ti40A could be enhanced using optimality. The optimization method could be utilized to deal with optimization problems for not only other GTAW operations but also other machining processes.
Language:
English
Keywords:
GTAW
,
heat input
,
ultimate tensile strength
,
micro-hardness
,
radial basis function network
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2024
Number of pages:
Str. 259-269
Numbering:
Vol. 70, no. 5/6
PID:
20.500.12556/RUL-159951
UDC:
621.791
ISSN on article:
0039-2480
DOI:
10.5545/sv-jme.2023.890
COBISS.SI-ID:
203127811
Publication date in RUL:
01.08.2024
Views:
96
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12
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Record is a part of a journal
Title:
Strojniški vestnik
Shortened title:
Stroj. vestn.
Publisher:
Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
ISSN:
0039-2480
COBISS.SI-ID:
762116
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Secondary language
Language:
Slovenian
Title:
Večkriterijska optimizacija parametrov procesa TIG varjenja za energijsko učinkovitost in kakovost
Keywords:
varjenje TIG
,
vnos toplote
,
porušitvena natezna trdnost
,
mikrotrdota
,
omrežje radialnih baznih funkcij
,
optimizacija
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