Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin
Mensch und Buch Verl.
2010
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 305 S. Ill., graph. Darst. |
| ISBN: | 9783866648890 |
Internformat
MARC
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| 245 | 1 | 0 | |a Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |c vorgelegt von Markus Sause |
| 264 | 1 | |a Berlin |b Mensch und Buch Verl. |c 2010 | |
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Datensatz im Suchindex
| _version_ | 1804143855046492160 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
1. INTRODUCTION AND MOTIVATION 7
2. THEORETICAL BACKGROUND AND DEVELOPMENTS 10
2.1. MECHANICAL FAILURE OF MATERIALS 10
2.1.1. FRACTURE MECHANICS 10
2.1.2. FIBER REINFORCED PLASTICS 12
2.1.3. METALLIC COATINGS 18
2.2. ACOUSTIC EMISSION 21
2.2.1. ELASTIC WAVES 21
2.2.2. ACOUSTIC EMISSION SOURCES 24
2.2.3. GUIDED WAVES 29
2.2.4. ATTENUATION 36
2.2.5. SIGNAL DETECTION 39
2.3. SIGNAL ANALYSIS 42
2.3.1. PREREQUISITES FOR ACOUSTIC EMISSION INTERPRETATION . . .. 43
2.3.2. ACOUSTIC EMISSION FEATURES AND SOURCE LOCALIZATION . .. 46
2.3.3. P A T T E RN RECOGNITION TECHNIQUES 54
2.4. TIME-FREQUENCY ANALYSIS 79
3. SIMULATION OF ACOUSTIC EMISSION SIGNALS 89
3.1. MODEL OF ACOUSTIC EMISSION SOURCE 89
3.2. MODELING SIGNAL PROPAGATION 100
3.2.1. MESH RESOLUTION 100
3.2.2. TIME RESOLUTION 104
3.3. MODEL OF BROADBAND SENSOR AND SIGNAL DETECTION 108
3.3.1. RECIPROCITY CALIBRATION 108
3.3.2. PENCIL LEAD FRACTURE TESTS 114
3.3.3. OPTIMIZATION OF THE SENSOR MODEL PERFORMANCE 116 3.4. VARIATION
OF SOURCE PARAMETERS 120
3.4.1. SOURCE MECHANISM 121
3.4.2. SOURCE EXCITATION TIME 130
3.4.3. SOURCE ENERGY 131
3.4.4. SOURCE POSITION 138
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1009852582
DIGITALISIERT DURCH
IMAGE 2
CONTENTS
3.5. INFLUENCE OF SPECIMEN GEOMETRY 143
4. EXPERIMENTAL RESULTS 148
4.1. EXPERIMENTAL SETUPS * * 148
4.1.1. DESCRIPTION OF SPECIMEN SERIES 149
4.1.2. MECHANICAL TESTING AND ACOUSTIC EMISSION ACQUISITION . . 153
4.1.3. MICROSCOPICAL INVESTIGATION 159
4.2. VARIATION OF CFRP STACKING SEQUENCE OF FLEXURAL TESTING
SPECIMENSL59 4.2.1. LOADING PARALLEL TO FIBER AXIS: LAYUP-0 SPECIMENS .
. .. 161 4.2.2. LOADING PERPENDICULAR TO FIBER AXIS: LAYUP-90 SPECIMEN
173 4.2.3. LOADING IN VARIED STACKING SEQUENCE: LAYUP-0/90 SPECIMENSL76
4.3. VARIATION OF SPECIMEN GEOMETRY AND LOADING CONDITION 185
4.3.1. DCB TESTING OF T800/913 SPECIMENS 185
4.3.2. TENSILE TESTING OF T800/913 SPECIMENS 193
4.4. VARIATION OF CURING DEGREE OF FLEXURAL TESTING SPECIMENS 201 4.4.1.
DISCUSSION OF MECHANICAL PROPERTIES AND MICROSCOPIC OB- SERVATIONS 202
4.4.2. INTERPRETATION OF ACOUSTIC EMISSION RESULTS 203
4.5. APPLICATION OF PATTERN RECOGNITION METHOD TO T-PULL SPECIMENS 214
4.5.1. DISCUSSION OF MICROSCOPIC OBSERVATIONS 214
4.5.2. INTERPRETATION OF ACOUSTIC EMISSION RESULTS 215
4.6. APPLICATION OF PATTERN RECOGNITION METHOD TO COATINGS ON CFRP
SUBSTRATES 221
4.6.1. MICROSCOPIC INVESTIGATION 222
4.6.2. PATTERN RECOGNITION APPROACH 225
4.6.3. COMPARISON WITH FRACTURE MECHANICS 231
4.6.4. DISCUSSION OF DIFFERENT COATING TYPES 239
5. SUMMARY AND DISCUSSION 243
5.1. FINITE ELEMENT SIMULATION 243
5.2. PATTERN RECOGNITION 247
5.3. MATERIAL ANALYSIS 251
6. OUTLOOK 254
A. AWARE++ USER S MANUAL 256
B. DERIVING ELASTIC COEFFICIENTS FROM MICROMECHANICAL PROPERTIES 273
B.I. UNIDIRECTIONAL LAMINA 274
B.2. WOVEN FABRIC LAMINA 277
C. FINITE ELEMENT SIMULATIONS OF ACOUSTIC EMISSION SIGNALS 280
IMAGE 3
CONTENTS
DEFINITIONS AND PARAMETER CONVENTIONS 282
REFERENCES 285
ACKNOWLEDGMENTS 304
CURRICULUM VITAE 306
|
| any_adam_object | 1 |
| author | Sause, Markus 1982- |
| author_GND | (DE-588)144016591 |
| author_facet | Sause, Markus 1982- |
| author_role | aut |
| author_sort | Sause, Markus 1982- |
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| classification_rvk | UQ 8010 ZM 3900 |
| ctrlnum | (OCoLC)711830790 (DE-599)BVBBV037243761 |
| dewey-full | 620.1187 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.1187 |
| dewey-search | 620.1187 |
| dewey-sort | 3620.1187 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Physik Werkstoffwissenschaften / Fertigungstechnik |
| format | Thesis Book |
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| illustrated | Illustrated |
| indexdate | 2024-07-09T22:54:17Z |
| institution | BVB |
| isbn | 9783866648890 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-021157208 |
| oclc_num | 711830790 |
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| owner_facet | DE-384 DE-188 DE-83 |
| physical | 305 S. Ill., graph. Darst. |
| publishDate | 2010 |
| publishDateSearch | 2010 |
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| spelling | Sause, Markus 1982- Verfasser (DE-588)144016591 aut Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals vorgelegt von Markus Sause Berlin Mensch und Buch Verl. 2010 305 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Augsburg, Univ., Diss., 2010 Schadensanalyse (DE-588)4130826-8 gnd rswk-swf Hybridwerkstoff (DE-588)4160847-1 gnd rswk-swf Schallemissionsanalyse (DE-588)4179362-6 gnd rswk-swf Werkstoffschädigung (DE-588)4284135-5 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Hybridwerkstoff (DE-588)4160847-1 s Werkstoffschädigung (DE-588)4284135-5 s Schadensanalyse (DE-588)4130826-8 s Schallemissionsanalyse (DE-588)4179362-6 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021157208&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Sause, Markus 1982- Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals Schadensanalyse (DE-588)4130826-8 gnd Hybridwerkstoff (DE-588)4160847-1 gnd Schallemissionsanalyse (DE-588)4179362-6 gnd Werkstoffschädigung (DE-588)4284135-5 gnd |
| subject_GND | (DE-588)4130826-8 (DE-588)4160847-1 (DE-588)4179362-6 (DE-588)4284135-5 (DE-588)4113937-9 |
| title | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |
| title_auth | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |
| title_exact_search | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |
| title_full | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals vorgelegt von Markus Sause |
| title_fullStr | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals vorgelegt von Markus Sause |
| title_full_unstemmed | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals vorgelegt von Markus Sause |
| title_short | Identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |
| title_sort | identification of failure mechanisms in hybrid materials utilizing pattern recognition techniques applied to acoustic emission signals |
| topic | Schadensanalyse (DE-588)4130826-8 gnd Hybridwerkstoff (DE-588)4160847-1 gnd Schallemissionsanalyse (DE-588)4179362-6 gnd Werkstoffschädigung (DE-588)4284135-5 gnd |
| topic_facet | Schadensanalyse Hybridwerkstoff Schallemissionsanalyse Werkstoffschädigung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=021157208&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT sausemarkus identificationoffailuremechanismsinhybridmaterialsutilizingpatternrecognitiontechniquesappliedtoacousticemissionsignals |