Affecting Factors for Impact Properties of Used Industrial Helmets
碩士 === 國立臺灣科技大學 === 機械工程系 === 92 === Hundreds of helmets were collected from markets to perform the impact tests according to CNS 1336 to investigate the effects of constructional design, substrate, life span and utility rate on the damage of helmets. The results showed that the value of hardness wa...
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| Format: | Others |
| Language: | zh-TW |
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2004
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| Online Access: | http://ndltd.ncl.edu.tw/handle/74619257539692843402 |