مشروع تخرج بعنوان Electrolytic Surface Treatment of Medium and Low Carbon Steel

مشروع تخرج بعنوان
Electrolytic Surface Treatment of Medium and Low Carbon Steel
B.Sc. project
Supervised by: Prof. Helmi A. Youssef
Presented by:
1. Ahmed Ragab Abed El-Wadoud
2. Mubarak Abo El-Hassan Mohammed
3. Mohammed Ahmed Abed El-Azem
4. Mohammed Soubeh saied
5. Mostafa Kamal El-Sayed
6. Moataz Mohammed Ibrahim Awad
7. Moataz Mohammed Abed El-Fatah
8. Malaak Yusuf Zaki Yusuf
TABLE OF CONTENTS
ABSTRACT . i
TABLE OF CONTENTS . ii
LIST OF FIGURES . iv
LIST OF TABLES vi
1 Introduction 1
1.1 Diffusion hardening . 2
1.2 Selective Hardening . 4
2 Review of literature 5
2.1 Electrolytic surface hardening 5
2.2 Plasma electrolytic surface carburizing . 7
3 Electrolytic Surface Treatment of Medium-carbon steel 8
3.1 Introduction . 8
3.2 Experimental work . 9
3.2.1 Principle 9
3.2.2 Test rig 9
3.2.3 Procedure 13
3.2.4 Results and discussion . 15
4 Electrolytic diffusion of low carbon steel 19
4.1 Introduction . 19
4.2 Experimental work . 19
4.2.1 Principle 19
4.2.2 Test rig 20
4.2.3 Procedure 21
4.2.4 Stage one 22
4.2.5 Stage two 24
4.2.6 Stage three 26
4.2.7 Stage four . 31iii
4.2.8 Stage five 33
4.2.9 Motor calibration curve . 35
4.2.10 Stage six . 38
4.2.11 Stage seven . 39
4.2.12 V-I charts in the case of full gradual feed condition . 40
5 Conclusion and Recommendations . 44
5.1 Conclusion . 44
5.2 Recommendations 45
Appendix . 47
References
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