Numercal study on the two dimensional wick debinding of the metal injection molding
碩士 === 國立中央大學 === 機械工程研究所 === 87 === Metal injection molding (MIM) is a method in metallurgy that combines the benefits from both plastic molding and powder molding. Its advantages include high capacity, high accuracy, low cost for mass production, capability in treating complicated shapes and insen...
Main Authors: | , |
---|---|
Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
1999
|
Online Access: | http://ndltd.ncl.edu.tw/handle/74151216211841620990 |
id |
ndltd-TW-087NCU00489020 |
---|---|
record_format |
oai_dc |
spelling |
ndltd-TW-087NCU004890202016-07-11T04:13:52Z http://ndltd.ncl.edu.tw/handle/74151216211841620990 Numercal study on the two dimensional wick debinding of the metal injection molding 金屬射出成形二維毛細脫脂機制之數值模擬 Y. S. Cheng 鄭育宗 碩士 國立中央大學 機械工程研究所 87 Metal injection molding (MIM) is a method in metallurgy that combines the benefits from both plastic molding and powder molding. Its advantages include high capacity, high accuracy, low cost for mass production, capability in treating complicated shapes and insensitivity of material using. In the MIM production processes , debinding is the most important and time consuming one. Failing in this key process always leads to the overall failure of the MIM production. To analyze the global behavior of the two dimensional wick debinding, we apply porous media theories and the finite element technique combined with body-fitted grid generation method. The variables which include binder viscosity , the size of the powder , the permeability and prorsity , control the debinding velocity , debinding time and the transform of the binder front . Although quantitatively, the result of simulation still is a great different with the experiment , The some conclusion is got , like that the external of the binder in the wick materal is similar with the one of the compact ,and the debinding time is the proportion with the area of the circle and quadrate compact . L. W. Hourng 洪勵吾 1999 學位論文 ; thesis 77 zh-TW |
collection |
NDLTD |
language |
zh-TW |
format |
Others
|
sources |
NDLTD |
description |
碩士 === 國立中央大學 === 機械工程研究所 === 87 === Metal injection molding (MIM) is a method in metallurgy that combines the benefits from both plastic molding and powder molding. Its advantages include high capacity, high accuracy, low cost for mass production, capability in treating complicated shapes and insensitivity of material using. In the MIM production processes , debinding is the most important and time consuming one. Failing in this key process always leads to the overall failure of the MIM production. To analyze the global behavior of the two dimensional wick debinding, we apply porous media theories and the finite element technique combined with body-fitted grid generation method. The variables which include binder viscosity , the size of the powder , the permeability and prorsity , control the debinding velocity , debinding time and the transform of the binder front . Although quantitatively, the result of simulation still is a great different with the experiment , The some conclusion is got , like that the external of the binder in the wick materal is similar with the one of the compact ,and the debinding time is the proportion with the area of the circle and quadrate compact .
|
author2 |
L. W. Hourng |
author_facet |
L. W. Hourng Y. S. Cheng 鄭育宗 |
author |
Y. S. Cheng 鄭育宗 |
spellingShingle |
Y. S. Cheng 鄭育宗 Numercal study on the two dimensional wick debinding of the metal injection molding |
author_sort |
Y. S. Cheng |
title |
Numercal study on the two dimensional wick debinding of the metal injection molding |
title_short |
Numercal study on the two dimensional wick debinding of the metal injection molding |
title_full |
Numercal study on the two dimensional wick debinding of the metal injection molding |
title_fullStr |
Numercal study on the two dimensional wick debinding of the metal injection molding |
title_full_unstemmed |
Numercal study on the two dimensional wick debinding of the metal injection molding |
title_sort |
numercal study on the two dimensional wick debinding of the metal injection molding |
publishDate |
1999 |
url |
http://ndltd.ncl.edu.tw/handle/74151216211841620990 |
work_keys_str_mv |
AT yscheng numercalstudyonthetwodimensionalwickdebindingofthemetalinjectionmolding AT zhèngyùzōng numercalstudyonthetwodimensionalwickdebindingofthemetalinjectionmolding AT yscheng jīnshǔshèchūchéngxíngèrwéimáoxìtuōzhījīzhìzhīshùzhímónǐ AT zhèngyùzōng jīnshǔshèchūchéngxíngèrwéimáoxìtuōzhījīzhìzhīshùzhímónǐ |
_version_ |
1718344232833384448 |