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The laminate for the frames will be a composite laminate of

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The laminate for the frames will be a composite laminate of medium glass content consisting of alternate plies of mat and woven roving.The compressive strength is 21000 psi.(from Table 7.1 in Chapter 7).Again,we will use a safety factor of 3 for frames.Therefore,the working stress is:
The laminate for the frames will be a composite laminate of
上边这个六级的虽然用网页直接翻译的,但是部分内容离得不远
框架采用由交替垫层和玻璃纤维构成的复合层压板(或者是薄板),抗压强度是21000 psi.(数据来自第七章节表格7.1).再次声明,我们将采用安全系数为3的框架.因此,工作应力是.