无撕裂玻璃挡风玻璃——一种新的改进方法

Q3 Engineering 汽车工程 Pub Date : 1971-02-01 DOI:10.4271/710867

E. Plumat, R. Laethem, P. Baudin

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引用次数: 1

摘要

这项研究是一个研究项目的一部分，该项目旨在开发一种夹层玻璃挡风玻璃，这种玻璃的撕裂潜力非常弱，甚至几乎不存在。测试了两种新型安全挡风玻璃。它们的区别仅仅在于所使用的v. h. r .玻璃的强化程度不同。在这两种情况下，非常薄的0.050英寸。(1.2毫米)厚的内板和0.110英寸。(2.8毫米)厚的外层由v. h. r.玻璃制成。然而，外层的玻璃有一个故意限制的抗拉强度。聚乙烯丁醛塑料夹层厚度为0.030英寸(0.76毫米)。对这些挡风玻璃的生物力学行为进行了不同方式的评估，其中包括实验室研究，其中包括头部自由落体对定位样品的冲击试验。重点研究了温度、冲击速度、冲击位置、板材机械强度的增加等实验参数。/ SAE /

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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NONLACERATING GLASS WINDSHIELDS-A NEW IMPROVED APPROACH

THIS STUDY IS PART OF A RESEARCH PROGRAM WHICH AIMS TO DEVELOP A LAMINATED GLASS WINDSHIELD WHOSE LACERATION POTENTIAL IS VERY WEAK AND EVEN ALMOST NONEXISTENT. TWO TYPES OF NEW SAFETY WINDSHIELDS ARE TESTED. THEY DIFFER ONLY BY THE STRENGTHENING LEVEL OF THE V. H. R..GLASS WHICH IS USED. IN BOTH CASES, THE VERY THIN 0.050 IN. (1.2 MM) THICK INNER SHEET AND THE 0.110 IN. (2.8 MM) THICK OUTER SHEET ARE MADE OF V. H. R. GLASS. NEVERTHELESS, THE GLASS OF THE OUTER PLY HAS A DELIBERATELY LIMITED TENSILE STRENGTH. THE POLYVINYLBUTYRAL PLASTIC INTERLAYER IS 0.030 IN (0.76 MM) THICK. THE EVALUATION OF THE BIOMECHANICAL BEHAVIOR OF THESE WINDSHIELDS IS MADE IN DIFFERENT WAYS, AMONG THEM A LABORATORY STUDY WHICH INCLUDES IMPACT TESTS WITH A HEADFORM FREE FALLING ON POSITIONED SAMPLES. THE EXPERIMENTAL PARAMETERS PARTICULARLY STUDIED ARE: TEMPERATURE, IMPACT VELOCITY, IMPACT LOCATION, INCREASE OF THE MECHANICAL STRENGTH OF THE SHEETS. /SAE/

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