Investigation of Ultrasonic Properties of Hard Materials
碩士 === 義守大學 === 機械與自動化工程學系 === 102 === Investigation measure Young''s modulus of hard materials. ITO Gloss (Alkaline earth boro-aluminosilicate), Zr-Cu-Ag-Al ((Zr48Cu36Ag8Al8) Si0.75) metallic glass (Bulk metallic glass, BMG) and nickel-based superalloy (CM247LC) three materials, Compar...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2014
|
Online Access: | http://ndltd.ncl.edu.tw/handle/75550215602433659785 |
id |
ndltd-TW-102ISU05609003 |
---|---|
record_format |
oai_dc |
spelling |
ndltd-TW-102ISU056090032015-10-14T00:23:51Z http://ndltd.ncl.edu.tw/handle/75550215602433659785 Investigation of Ultrasonic Properties of Hard Materials 硬值材料超音波特性之探討 Chieh-ling Liu 劉杰靈 碩士 義守大學 機械與自動化工程學系 102 Investigation measure Young''s modulus of hard materials. ITO Gloss (Alkaline earth boro-aluminosilicate), Zr-Cu-Ag-Al ((Zr48Cu36Ag8Al8) Si0.75) metallic glass (Bulk metallic glass, BMG) and nickel-based superalloy (CM247LC) three materials, Comparison the measurement results between the ultrasound and nano-indenter. Then compare the relationship between ultrasound attenuation coefficient, Young''s modulus and Vickers hardness. The result of ITO glass Young''s modulus used ultrasound and nano-indenter to differences in the measured values were 0.83% and 2.70% and difference between the results of metallic glass is 23.59%, and 5.11% nickel-base superalloys. Measured of the longitudinal and shear wave velocity of the sample by the ultrasonic to calculate the material Poisson ratio and Young''s modulus would not have destroyed, While also quick and easy measurements on site. There nano-indenter test relative to the sample size restrictions on the amount cannot be measured on the spot, and the measurement process is relatively slowed time-consuming and susceptible to environmental interference. For intermetallic, material composition is a combination of metal and nonmetal. Its atomic arrangement direction and boundary effects have a considerable impact on the ultrasound velocity, Should be measurement and calculation of velocity in different propagation direction. Then compare the Young''s modulus of the nano-indentation test result. For nickel-based superalloy (CM247 LC) material, the grain growth direction as dendritic structure and has directionality, should be measurement and calculation of velocity in different propagation direction. Shih-Jeh Wu 吳士傑 2014 學位論文 ; thesis 62 zh-TW |
collection |
NDLTD |
language |
zh-TW |
format |
Others
|
sources |
NDLTD |
description |
碩士 === 義守大學 === 機械與自動化工程學系 === 102 === Investigation measure Young''s modulus of hard materials. ITO Gloss (Alkaline earth boro-aluminosilicate), Zr-Cu-Ag-Al ((Zr48Cu36Ag8Al8) Si0.75) metallic glass (Bulk metallic glass, BMG) and nickel-based superalloy (CM247LC) three materials, Comparison the measurement results between the ultrasound and nano-indenter. Then compare the relationship between ultrasound attenuation coefficient, Young''s modulus and Vickers hardness.
The result of ITO glass Young''s modulus used ultrasound and nano-indenter to differences in the measured values were 0.83% and 2.70% and difference between the results of metallic glass is 23.59%, and 5.11% nickel-base superalloys. Measured of the longitudinal and shear wave velocity of the sample by the ultrasonic to calculate the material Poisson ratio and Young''s modulus would not have destroyed, While also quick and easy measurements on site. There nano-indenter test relative to the sample size restrictions on the amount cannot be measured on the spot, and the measurement process is relatively slowed time-consuming and susceptible to environmental interference.
For intermetallic, material composition is a combination of metal and nonmetal. Its atomic arrangement direction and boundary effects have a considerable impact on the ultrasound velocity, Should be measurement and calculation of velocity in different propagation direction. Then compare the Young''s modulus of the nano-indentation test result.
For nickel-based superalloy (CM247 LC) material, the grain growth direction as dendritic structure and has directionality, should be measurement and calculation of velocity in different propagation direction.
|
author2 |
Shih-Jeh Wu |
author_facet |
Shih-Jeh Wu Chieh-ling Liu 劉杰靈 |
author |
Chieh-ling Liu 劉杰靈 |
spellingShingle |
Chieh-ling Liu 劉杰靈 Investigation of Ultrasonic Properties of Hard Materials |
author_sort |
Chieh-ling Liu |
title |
Investigation of Ultrasonic Properties of Hard Materials |
title_short |
Investigation of Ultrasonic Properties of Hard Materials |
title_full |
Investigation of Ultrasonic Properties of Hard Materials |
title_fullStr |
Investigation of Ultrasonic Properties of Hard Materials |
title_full_unstemmed |
Investigation of Ultrasonic Properties of Hard Materials |
title_sort |
investigation of ultrasonic properties of hard materials |
publishDate |
2014 |
url |
http://ndltd.ncl.edu.tw/handle/75550215602433659785 |
work_keys_str_mv |
AT chiehlingliu investigationofultrasonicpropertiesofhardmaterials AT liújiélíng investigationofultrasonicpropertiesofhardmaterials AT chiehlingliu yìngzhícáiliàochāoyīnbōtèxìngzhītàntǎo AT liújiélíng yìngzhícáiliàochāoyīnbōtèxìngzhītàntǎo |
_version_ |
1718089226354950144 |