Design Simulations and Verification Experiments of the Novel Extrusion Die and Dummy Blocks
博士 === 國立臺灣大學 === 材料科學與工程學研究所 === 104 === Abstract In the past, there were many defects occurred in the direct extrusion process has not been solved for a long time. Such as surface coarse grain layer, back-end funnels or axial hole defect, inner oxide ring, etc. These defects will cause scrap incr...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2016
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| Online Access: | http://ndltd.ncl.edu.tw/handle/79871675726619845385 |