推 chen31:天啊你連問問題都可以嘴砲 12/08 22:40
推 chen31:我還沒寫啦啦啦啦, 而且你應該去po功課版衝人氣啊!! 12/08 22:48
推 maxspeed150:據說是小天使偷偷告訴發哥題目的~~ 12/08 23:09
推 ckntu828:不是 12/09 15:24
噓 ckntu828:不要自稱自己是小天使，很倒胃口的...噁 12/11 19:17
※ 引述《ckntu828 (miracle)》之銘言：
: 有沒有人知道ㄚ?
: 告訴一下你們最好的朋友張元齡吧
: 請回PO
Question 1:
Design a 75mm wide plate made of ceramic, which has a KIC of 10MPa(m)1/2, that will withstand a tensile load of 20 ton. The plate is examined by an x-ray to assure that no flaws are present that might cause fracture. The smallest detectable crack by an x-ray is 0.5mm. What the thickness should be?
Question 2:
Which material is more likely to have a fatigue limit?
Fe or Cu?
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