Đồ án tốt nghiệp - Parameter optimization in mig welding of C20 Steel and SUS304 stainless steel

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Đồ án tốt nghiệp ngành Công nghệ Kỹ thuật cơ khí - Parameter optimization in mig welding of C20 Steel and SUS304 stainless steel - Trường Đại học Sư phạm Kỹ thuật Thành phố Hồ Chí Minh (HCMUTE)

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Ngày đăng	25/12/2025

HO CHI MINH CITY UNIVERCITY OF TECHNOLOGY AND EDUCATION
FACULTY OF MECHANICAL ENGINEERING
______________________

GRADUATION THESIS
PARAMETER OPTIMIZATION IN MIG WELDING OF C20
STEEL AND SUS304 STAINLESS STEEL

Supervisor:
Student’s name:

Course:

HOANG VAN HUONG
LE MINH TUAN
NGUYEN ANH TU
NGUYEN PHAN HONG ANH
2020-2024

Ho Chi Minh city, July 2024

MSSV: 20144214
MSSV: 20144213
MSSV: 19144049

HCMC University of Technology and Education

SOCIALIST REPUBLIC OF VIETNAM

FACULTY OF MECHANICAL ENGINEERING

Independence-Liberty-Hapiness

GRADUATION PROJECT TASKS
Semester II / academic year 2024
Supervisor:

Hoàng Văn Hướng

Full name: Lê Minh Tuấn

Student ID 20144214

Phone: 0366099493

Full name: Nguyễn Anh Tú

Student ID 20144213

Phone: 0988878119

Full name: Nguyễn Phan Hồng Anh

Student ID 19144049

Phone: 0977842578

1. Graduation project:
- Code project: ..........................................................
- Project title: Parameter optimization in mig welding of C20 Steel and SUS304
stainless steel
.............................................................................................................................

2. Initial figures and documents:
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
…………….………..……….…………………………………………………………
3. Main contents of the project:
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
4. Expected products
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
…………….………..……….……………………………………………………………
5. Project delivery date:
6. Date of submission of the project:
7. Language of presentation: Report: English

 Vietnamese



Protection Presentation: English 

Vietnamese

Head of Faculty/Department

SUPERVISOR

(Sign and write full name)

(Sign and write full name)

 Allowed to protect



……………………………………………
(Supervisor sign, write full name)

i

COMMITMENT
- Title Project: Parameter optimization in mig welding of C20 Steel and SUS304
stainless steel
- Supervisor: Hoang Van Huong
- Student’s Full name: Lê Minh Tuấn
ID: 20144214 Phone: 0366099493
- Student’s address: Tang Nhon Phu A, Thu Duc city
-

Student’s Email: [email protected]
Student’s Full name: Nguyễn Anh Tu
ID: 20144213

-

Student’s address: Tan Thoi Hiep, District 12, Ho Chi Minh city
Student’s Email: tumaytinhone@gm
...

...
5

14.3

60

500
450
400
350
300
250
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150
100
50
0
0

10

Strain (%)
15.1

14.2

Graph of Tensile Test 16
with GM-70S

700

20

60

Graph 14

Graph of Tensile Test 15
with GM-70S

0

40

Strain (%)

Strain (%)

20

30

40

50

Strain (%)
15.3

16.1

16.2

16.3

Graph 16

XXII

Images of bend testing charts

Graph of Bending Test 1
with GM-70S

600

Graph of Bending Test 2 with
GM-70S
Stress (MPa)

Stress (MPa)

500
400
300
200
100

300
250
200
150
100
50
0
0

0
0

5

Strain (%)

1.1

10

1.2

5

2.1

1.3

2.2

2.3

Graph 2

Graph of Bending Test 3 with
GM-70S

Graph of Bending Test 4
with GM-70S

400
350

200

Stress (MPa)

300
250
200
150
100

50

150
100
50
0

0
0

1

2

3

0

4

1

2

3.1

3.3

3

4

5

Strain (%)

Strain (%)
3.2

4.1

Graph 3

4.2

4.3

Graph 4

Graph of Bending Test 5
with GM-70S

Graph of Bending Test 6
with GM-70S

1400
1200
1000
800
600
400
200
0

300

Stress (MPa)

Stress (MPa)

15

Strain (%)

15

Graph 1

Stress (MPa)

10

250
200
150
100
50
0

0

10

20

30

0

2

Strain (%)
5.1

5.2

Graph 5

4

6

8

Strain (%)
5.3

6.1

6.2

6.3

Graph 6
XXIII

Graph of Bending Test 7
with GM-70S

Graph of Bending Test 8
with GM-70S

1000

350
300

Stress (MPa)

Stress (MPa)

800
600
400
200

250
200
150
100
50

0

0
0

10

20

30

0

2

Strain (%)
7.2

7.3

8.1

8.2

8.3

Graph 7

Graph 8

Graph of Bending Test 9
with GM-70S

Graph of Bending Test 10
with GM-70S

500

500

400

400

300
200
100
0

-2

300
200
100
0

0

2

4

6

8

0

2

Strain (%)
9.1

4

6

Strain (%)

9.2

9.3

10.1

10.2

10.3

Graph 9

Graph 10

Graph of Bending Test 11
with GM-70S

Graph of Bending Test 12
with GM-70S

2000

2000

Stress (MPa)

Stress (MPa)

6

Strain (%)

Stress (MPa)

Stress (MPa)

7.1

4

1500

1000
500

1500
1000
500
0

0
0

10

20

30

0

11.2

Graph 11

20

30

Strain (%)

Strain (%)
11.1

10

11.3

12.1

12.2

12.3

Graph 12
XXIV

Graph of Bending Test 14
with GM-70S

2000
1800
1600
1400
1200
1000
800
600
400
200
0

1600
1400

Stress (MPa)

Stress (MPa)

Graph of Bending Test 13
with GM-70S

1200
1000
800
600
400
200
0

0

10

20

30

0

10

Strain (%)
13.1

13.2

30

Strain (%)
13.3

14.1

Graph 13

14.2

14.3

Graph 14

Graph of Bending Test 15
with GM-70S

Graph of Bending Test 16
with GM-70S

2000
1800
1600
1400
1200
1000
800
600
400
200
0

350
300

Stress (MPa)

Stress (MPa)

20

250
200
150
100
50
0

0

10

20

30

0

2

Strain (%)
15.1

15.2

Graph 15

4

6

8

Strain (%)
15.3

16.1

16.2

16.3

Graph 16

XXV