Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2014
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| Schlagworte: | |
| Online-Zugang: | kostenfrei kostenfrei Inhaltsverzeichnis |
| Beschreibung: | 133, XI S. graph. Darst., Ill. |
Internformat
MARC
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| 003 | DE-604 | ||
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| 035 | |a (OCoLC)892526803 | ||
| 035 | |a (DE-599)BVBBV041977189 | ||
| 040 | |a DE-604 |b ger |e rakwb | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-634 |a DE-29 | ||
| 100 | 1 | |a Wang, Li |e Verfasser |0 (DE-588)138197857 |4 aut | |
| 245 | 1 | 0 | |a Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys |c vorgelegt von Li Wang |
| 264 | 1 | |c 2014 | |
| 300 | |a 133, XI S. |b graph. Darst., Ill. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |a Cottbus-Senftenberg, Techn. Univ., Diss., 2014 | ||
| 650 | 0 | 7 | |a Titanaluminide |0 (DE-588)4470201-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Temperaturbeständigkeit |0 (DE-588)4184690-4 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Carbide |0 (DE-588)4147287-1 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Carbide |0 (DE-588)4147287-1 |D s |
| 689 | 0 | 1 | |a Titanaluminide |0 (DE-588)4470201-2 |D s |
| 689 | 0 | 2 | |a Temperaturbeständigkeit |0 (DE-588)4184690-4 |D s |
| 689 | 0 | |5 DE-604 | |
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| 856 | 4 | 1 | |u https://nbn-resolving.org/urn:nbn:de:kobv:co1-opus4-30392 |x Resolving-System |z kostenfrei |3 Volltext |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027419715&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 912 | |a ebook | ||
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Datensatz im Suchindex
| _version_ | 1804152375933403136 |
|---|---|
| adam_text | 1. INTRODUCTION 1
1.1 DEVELOPMENT AND APPLICATION OF TIAL ALLOYS 2
1.2 OVERVIEW: OPTIMIZATION OF MICROSTRUCTURE AND PROPERTIES OF TIAL
ALLOYS 4
1.3 NB ADDITIONS TO TIAL ALLOYS 6
1.3.1 INFLUENCE OFNB ON THE TI-AL PHASE DIAGRAM 7
1.3.2 STRENGTHENING EFFECTS OF NB ADDITIONS IN TIAL ALLOYS 8
1.4 C ADDITIONS TO TIAL ALLOYS 9
1.4.1 CARBIDE TYPES AND MORPHOLOGIES IN TIAL ALLOYS 9
1.4.2 INFLUENCE OF CARBON ON PHASE TRANSFORMATIONS 12
1.4.3 INFLUENCE OF CARBON ON PROPERTIES 13
1.4.4 CARBON SOLUBILITY IN TIAL ALLOYS 14
1.5 OBJECTIVES AND METHODS OF RESEARCH 16
2. EXPERIMENTAL 17
2.1 MATERIALS 17
2.2 HEAT TREATMENTS 18
2.3 CHARACTERIZATION TECHNIQUES 19
2.3.1 DIFFERENTIAL SCANNING CALORIMETRY 19
2.3.2 MACRO HARDNESS MEASUREMENTS 19
2.3.3 HIGH ENERGY X-RAY DIFFRACTION 19
2.3.4 SCANNING ELECTRON MICROSCOPY AND ELECTRON BACK-SCATTER DIFFRACTION
(EBSD) 20
2.3.5 TRANSMISSION ELECTRON MICROSCOPY AND HRTEM IMAGE SIMULATION 20
3. OVERVIEW: INFLUENCE OF CARBON CONTENT ON PHASE TRANSFORMATIONS AND
MICROSTRUCTURES 24
3.1 HIGH-ENERGY X-RAY DIFFRACTION OF PRE-ALLOYED POWDERS 24
3.2 INFLUENCE OF CARBON ON PHASE TRANSFORMATIONS 25
3.3 INFLUENCE OF CARBON ON GRAIN SIZE AND PHASE FRACTIONS 26
3.4 INFLUENCE OF CARBON ON LATTICE PARAMETERS OF Y AND AI PHASES 27
3.5 INFLUENCE OF CARBON ON HARDNESS 29
3.6 CARBIDES IN HIPED TI-45AL-5NB-XC ALLOYS 29
3.6.1 MICROSTRUCTURE OVERVIEW OF THE HIPED TI-45AL-5NB-XC ALLOYS 29
3.6.2 CARBIDE DETERMINATION IN THE HIPED TI-45AL-5NB-XC ALLOYS 33
3.6.3 PHASE IDENTIFICATION IN THE HIPED TI-45AL-5NB-XC ALLOYS BY HEXRD
35
4. MICROSTRUCTURAL EVOLUTION AND THERMAL STABILITY OF CARBIDES 37
4.1 DISSOLUTION OF PRIMARY CARBIDES VIA HEAT TREATMENT 37
4.2 MICROSTRUCTURE EVOLUTION IN HEAT-TREATED ALLOYS 42
4.2.1 MICROSTRUCTURE AND PHASE IDENTIFICATION 42
4.2.2 PHASE FRACTIONS 52
4.2.3 LATTICE PARAMETERS , 54
4.2.4 LATTICE MISFITS I 60
4.3 CARBIDE PRECIPITATION AND THERMAL STABILITY OF CARBIDES IN
HEAT-TREATED ALLOYS...61
4.3.1 CARBIDE PRECIPITATION SEQUENCE AND DISSOLUTION OF CARBIDES IN
HIPED & ANNEALED TI-
45AL-5NB-0.5C 62
4.3.2 CARBIDES AND THEIR THERMAL STABILITY IN HIPED & ANNEALED
TI-45AL-5NB-0.75C 65
4.3.3 CARBIDE PRECIPITATION AT 800C IN SOLUTION TREATED & ANNEALED
TI-45AL-5NB-0.5C ...68
4.3.4 THERMAL STABILITY OF CARBIDES IN SOLUTION TREATED & ANNEALED
TI-45AL-5NB-0.75C ....71
4.4 CARBIDE FRACTION, SIZE AND DENSITY IN THE HEAT-TREATED ALLOYS 76
4.4.1 CARBIDE FRACTIONS 76
HTTP://D-NB.INFO/1057018910
4.4.2 CARBIDE SIZE AND DENSITY IN HEAT-TREATED TI-45AL-5NB-0.75C 78
4.5 PRECIPITATE-FREE ZONES IN HEAT-TREATED TI-45AL-5NB-0.75C 83
4.6 COMPARISON OF CARBIDES IN TI-45AL-5NB-0.5C AND TI-45AL-5NB-0.75C 86
5. DEVELOPMENT OF CARBIDE MORPHOLOGY AND INTERFACES BETWEEN CARBIDES AND
THE
Y MATRIX 89
5.1 MORPHOLOGY DEVELOPMENT OF P-TYPE CARBIDES INY GRAINS 89
5.1.1 IN HIPED & ANNEALED TI-45AL-5NB-0.75C 89
5.1.2 IN SOLUTION TREATED & ANNEALED TI-45AL-5NB-0.75C 92
5.2 INTERFACES BETWEEN CARBIDES AND THE MATRIX, AND SPLIT SUBSTRUCTURES
96
5.2.1 INTERFACE BETWEEN CARBIDES AND THE MATRIX IN HIPED & ANNEALED
ALLOYS 96
5.2.2 SPLIT SUBSTRUCTURES IN SOLUTION TREATED & ANNEALED ALLOYS 101
5.3 INTERPRETATION OF THE MORPHOLOGY CHANGE AND THE SPLITTING OF
CARBIDES 107
5.3.1 CARBIDE MORPHOLOGY CHANGE 107
5.3.2 CARBIDE SPLITTING 115
6 THE INFLUENCE OF NB ON CARBON SOLUBILITY AND CARBIDE PRECIPITATION,
COMPARISON
WITH LITERATURE 120
7. CONCLUSIONS AND FUTURE WORK 122
REFERENCES 124
APPENDIX I
LIST OF FIGURES I
LIST OF TABLES X
PUBLICATIONS AND CONFERENCES XI
|
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| id | DE-604.BV041977189 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T01:09:43Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027419715 |
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| physical | 133, XI S. graph. Darst., Ill. |
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| spelling | Wang, Li Verfasser (DE-588)138197857 aut Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys vorgelegt von Li Wang 2014 133, XI S. graph. Darst., Ill. txt rdacontent n rdamedia nc rdacarrier Cottbus-Senftenberg, Techn. Univ., Diss., 2014 Titanaluminide (DE-588)4470201-2 gnd rswk-swf Temperaturbeständigkeit (DE-588)4184690-4 gnd rswk-swf Carbide (DE-588)4147287-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Carbide (DE-588)4147287-1 s Titanaluminide (DE-588)4470201-2 s Temperaturbeständigkeit (DE-588)4184690-4 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:kobv:co1-opus4-30392 http://opus4.kobv.de/opus4-btu/frontdoor/index/index/docId/3039 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:kobv:co1-opus4-30392 Resolving-System kostenfrei Volltext DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027419715&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Wang, Li Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys Titanaluminide (DE-588)4470201-2 gnd Temperaturbeständigkeit (DE-588)4184690-4 gnd Carbide (DE-588)4147287-1 gnd |
| subject_GND | (DE-588)4470201-2 (DE-588)4184690-4 (DE-588)4147287-1 (DE-588)4113937-9 |
| title | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys |
| title_auth | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys |
| title_exact_search | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys |
| title_full | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys vorgelegt von Li Wang |
| title_fullStr | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys vorgelegt von Li Wang |
| title_full_unstemmed | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys vorgelegt von Li Wang |
| title_short | Mechanisms of carbide precipitation and carbon solubility in high Nb containing TiAl alloys |
| title_sort | mechanisms of carbide precipitation and carbon solubility in high nb containing tial alloys |
| topic | Titanaluminide (DE-588)4470201-2 gnd Temperaturbeständigkeit (DE-588)4184690-4 gnd Carbide (DE-588)4147287-1 gnd |
| topic_facet | Titanaluminide Temperaturbeständigkeit Carbide Hochschulschrift |
| url | http://opus4.kobv.de/opus4-btu/frontdoor/index/index/docId/3039 https://nbn-resolving.org/urn:nbn:de:kobv:co1-opus4-30392 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027419715&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT wangli mechanismsofcarbideprecipitationandcarbonsolubilityinhighnbcontainingtialalloys |