Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3:
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
1996
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Hamburg, Univ. d. Bundeswehr, Diss., 1996 |
| Physical Description: | II, 113 S., 14 Bl. Abb. Ill., graph. Darst. |
Staff View
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| 245 | 1 | 0 | |a Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 |c vorgelegt von Ragnhild Aune |
| 264 | 1 | |c 1996 | |
| 300 | |a II, 113 S., 14 Bl. Abb. |b Ill., graph. Darst. | ||
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Record in the Search Index
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CONTENTS
I
CONTENTS:
1 INTRODUCTION 1
2 THEORY 3
2.1 UNDERWATER WELDING 3
2.2 GMAW AND HYPERBARIC CONDITIONS - BASIC ASPECTS 4
2.3 GAS ABSORPTION IN METAL 11
2.3.1 NITROGEN PICK-UP 11
2.3.2 HYDROGEN PICK-UP 15
23.3 OXYGEN PICK-UP - 18
23.4 MODELS OF GAS ABSORPTION 22
2.4 THE EFFECT OF THE GAS PICK-UP ON THE MECHANICAL
PROPERTIES 26
2.5 HYDROGEN DELAYED CRACKING
2.6 THE DIFFUSIYITY OF HYDROGEN IN STEEL 32
3 PURPOSE OF THE INVESTIGATION 34
4 EXPERIMENTAL METHODS 35
4.1 WELDING EQUIPMENT 35
4.2 WELDING PARAMETERS 36
4.3 NITROGEN SUPPLY TO THE SHIELDING GAS AND NITROGEN
ANALYSIS 36
4.4 MN, SI, C AND O COMBUSTION OF THE WIRE METAL 37
4.5 WATER VAPOUR SUPPLY TO THE SHIELDING GAS 38
4.6 HYDROGEN ANALYSIS 40
4.7 TEKKEN-TESTS 42
4.8 WELDING SIMULATION 45
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/948608331
4.9 DILATOMETER TESTS 46
5 RESULTS AND DISCUSSION 47
5.1 THE EFFECT OF AMBIENT PRESSURE AND THE ARC
ATMOSPHERE ON NITROGEN CONTENT IN THE WELD METAL 47
5.1.1 WELD GEOMETRIES OF BEAD ON PLATE WELDS Y 47
5.1.2 NITROGEN CONTENTS IN THE WELD METAL 58
5.2 EFFECT OF THE PRESSURE ON THE CHEMICAL COMPOSITION
ON THE DEPOSITED METAL 64
5.1 THE EFFECT OF AMBIENT PRESSURE AND THE ARC
ATMOSPHERE ON HYDROGEN CONTENT IN THE WELD METAL -64
53.1 THE WELD GEOMETRIES OF BEAD ON PLATE WELDS 66
5.3.2 HYDROGEN CONTENTS IN THE WELD METAL 74
5.4 HYPERBARIC CRACKING TESTS 79
5.4.1 TEST CONDITION FOR THE TEKKEN-TESTS 79
5.4.2 TEKKEN-TEST 81
5.43 MICROSTRUCTURES AND HARDNESS OF WELDS 91
6 SUMMARY 100
LIST OF SYMBOLS AND ABBREVIATIONS 103
LIST OF REFERENCES 106
APPENDIX 114
CV |
| any_adam_object | 1 |
| author | Aune, Ragnhild |
| author_facet | Aune, Ragnhild |
| author_role | aut |
| author_sort | Aune, Ragnhild |
| author_variant | r a ra |
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| bvnumber | BV010984122 |
| classification_tum | WER 820d FER 610d |
| ctrlnum | (OCoLC)258228951 (DE-599)BVBBV010984122 |
| discipline | Werkstoffwissenschaften Fertigungstechnik |
| format | Book |
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| indexdate | 2024-10-09T16:11:10Z |
| institution | BVB |
| language | English |
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| physical | II, 113 S., 14 Bl. Abb. Ill., graph. Darst. |
| publishDate | 1996 |
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| spelling | Aune, Ragnhild Verfasser aut Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 vorgelegt von Ragnhild Aune 1996 II, 113 S., 14 Bl. Abb. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Hamburg, Univ. d. Bundeswehr, Diss., 1996 Wasserstoffversprödung (DE-588)4121907-7 gnd rswk-swf Unterwasserschweißen (DE-588)4187118-2 gnd rswk-swf Wasserstoff (DE-588)4064784-5 gnd rswk-swf Schweißverbindung (DE-588)4053878-3 gnd rswk-swf Baustahl (DE-588)4004940-1 gnd rswk-swf Metalllichtbogenschweißen (DE-588)4169595-1 gnd rswk-swf Rissbildung (DE-588)4050137-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Metalllichtbogenschweißen (DE-588)4169595-1 s Unterwasserschweißen (DE-588)4187118-2 s Baustahl (DE-588)4004940-1 s Wasserstoffversprödung (DE-588)4121907-7 s DE-604 Rissbildung (DE-588)4050137-1 s 1\p DE-604 Wasserstoff (DE-588)4064784-5 s 2\p DE-604 Schweißverbindung (DE-588)4053878-3 s 3\p DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007350814&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 3\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Aune, Ragnhild Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 Wasserstoffversprödung (DE-588)4121907-7 gnd Unterwasserschweißen (DE-588)4187118-2 gnd Wasserstoff (DE-588)4064784-5 gnd Schweißverbindung (DE-588)4053878-3 gnd Baustahl (DE-588)4004940-1 gnd Metalllichtbogenschweißen (DE-588)4169595-1 gnd Rissbildung (DE-588)4050137-1 gnd |
| subject_GND | (DE-588)4121907-7 (DE-588)4187118-2 (DE-588)4064784-5 (DE-588)4053878-3 (DE-588)4004940-1 (DE-588)4169595-1 (DE-588)4050137-1 (DE-588)4113937-9 |
| title | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 |
| title_auth | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 |
| title_exact_search | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 |
| title_full | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 vorgelegt von Ragnhild Aune |
| title_fullStr | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 vorgelegt von Ragnhild Aune |
| title_full_unstemmed | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 vorgelegt von Ragnhild Aune |
| title_short | Contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed GMA welding of St 52-3 |
| title_sort | contribution to the effects of ambient pressure and arc atmosphere on weld metal chemistry and hydrogen assisted cracking in hyperbaric pulsed gma welding of st 52 3 |
| topic | Wasserstoffversprödung (DE-588)4121907-7 gnd Unterwasserschweißen (DE-588)4187118-2 gnd Wasserstoff (DE-588)4064784-5 gnd Schweißverbindung (DE-588)4053878-3 gnd Baustahl (DE-588)4004940-1 gnd Metalllichtbogenschweißen (DE-588)4169595-1 gnd Rissbildung (DE-588)4050137-1 gnd |
| topic_facet | Wasserstoffversprödung Unterwasserschweißen Wasserstoff Schweißverbindung Baustahl Metalllichtbogenschweißen Rissbildung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007350814&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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