| 塑料包装材料力学与热学特性测量的数字散斑新方法 |
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| 引用本文： | 郭勇,王振林,周建伟. 塑料包装材料力学与热学特性测量的数字散斑新方法[J]. 包装工程, 2002, 23(5): 154-156 |
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| 作者姓名： | 郭勇 王振林 周建伟 |
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| 作者单位： | 浙江大学机械与能源工程学院,浙江,杭州,310027;浙江大学机械与能源工程学院,浙江,杭州,310027;浙江大学机械与能源工程学院,浙江,杭州,310027 |
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| 摘 要： | 首次将数字散斑相关测量新技术引入包装材料的力学与热学特性研究领域,较好地解决了具有粘弹性材料在非常温环境下的特殊测量技术关键。以聚苯乙烯（PS）泡沫塑料与聚甲基丙烯酸甲酯（PMMA）为例,分别测定了线膨胀系数、弹性模量及其蠕变规律。
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| 关 键 词： | 粘弹性 线膨胀系数 非接触测量 数字散斑 |
| 文章编号： | 1001-3563(2002)05-0154-03 |
| 修稿时间： | 2002-06-26 |
A New Method of Digital Speckle Interferometer to Measure the Characteristics of Plastic Packing Material |
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| GUO Yong,WANG Zhen lin,ZHOU Jian wei. A New Method of Digital Speckle Interferometer to Measure the Characteristics of Plastic Packing Material[J]. Packaging Engineering, 2002, 23(5): 154-156 |
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| Authors: | GUO Yong WANG Zhen lin ZHOU Jian wei |
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| Abstract: | In this paper a new method of digital speckle pattern interferometry (DSPI) for measurement is firstly applied to the research of mechanical and calorifical characteristic of packing material. The particular measuring technique of material with glutinosity and elasticity is resolved efficiently under irroutine circumstance. The author takes polystyrene and polymethyl methacrylate for example, and respectively measures linear inflation modulus, elastic modulus , and the rule of creep. The present experimental results indicate that DSPI is a efficient method to apply to the measurement of packing material and vessel , and has a glorious prospect . |
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| Keywords: | glutinosity and elasticity linear inflation modulus uncontactual measurement digital speckle pattern interferometry (DSPI) |
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