结果发现，失效件的硅含量偏高、硬度值很不均匀，冲击韧度和伸长率远低于材质要求，因而导致脆断。
The results shows that the failure parts has high silicon content and uneven hardness , the impact toughness and elongation is far below the specification of the material.
产品色泽均匀，无杂色，良好的拉力强度和伸长率；
Color and Iustre are equality, no variedness, good sile strength, and elongation;
进行均匀化退火一方面可以改善坯料的压延性能，又可以提高铝箔的伸长率。
The homogenization of the rolling stock on the one hand can improve performance, but also can improve the elongation of aluminum foil.
用于测定棉卷一米（或码）长度片段的均匀情况，实际长度，核算棉卷的伸长率。 。
Used for this product fils for testing the even degree of one -metre -length(1/2m, 1/3m)lap and the actual length of lap at the same time.
用于测定棉卷一米（或码）长度片段的均匀情况，实际长度，核算棉卷的伸长率。 。
Used for this product fils for testing the even degree of one -metre -length(1/2m, 1/3m)lap and the actual length of lap at the same time.
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