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第一百六十五章 船用铝合金(2 / 2)

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这时候秦东忽然道:“我记得贵铝过去生产的5000系列铝合金板材,屈服强度只有一百二十兆帕左右吧?如果用来建造穿浪双体导弹艇,是不是低了点?”

赵世光一下子就蒙了,他迟疑了一下道:“秦工,你说得没错,但是我们现在正在研制强度更高的型号,我相信用不了多久的。”

秦东呵呵笑道:“而且我如果没有记错的话,你们生产的船用铝合金板材,厚度都没有低于五毫米的,这一次我们的设计指标,厚度是三毫米,不知道你们有什么计划可以达到设计指标的要求?”

赵世光苦笑道:“我们的冶炼技术的确还跟国外先进水平有些差距,所以在板材的强度和厚度方面,我们的确也是很清楚,目前我们厂也在大力投入,争取达到国际先进水平。”

的确船用铝合金在『性』能的要求上,要比航空用的铝材更高。因为船用铝合金不但要考虑到结构强度,还要考虑到抗腐蚀『性』能,除了泡在海水里面的部位,还有船体各个结构都要考虑防腐蚀『性』能,因为海里面的盐雾非常大,无孔不处,就连舰载机这样的空中飞行器都要考虑防腐蚀,何况是舰艇。

一般来说,船用的五千系列铝合金机械『性』能标准值,在屈服强度上是跟厚度、直径和状态不同而有不同的要求,比如船体用的五零八三合金板材状态的最小屈服强度就是一百三十兆帕,在挤压型材的状态是一百一十兆帕。

秦东提到的屈服强度,其实就是指的型材状态的最小屈服强度要求。贵铝的产品的确是差了一点点,只不过在国内的铝厂里面,贵铝已经算是最好的了。

秦东呵呵笑道:“我们怎么能够确定,你们能够达到?”

杨小艺一看这气氛又要那啥,她连忙就道:“老秦,你能不能别提这个,咱们到了贵铝,了解情况之后再说这个事儿!”

秦东虽然有点儿愤青的样子,其实他也是真的在为新型导弹艇的设计研制考虑,时间不等人呐。

经过了上一次的吃瘪,现在秦东也学乖了,立刻就不再说了。

晚上十二点多,杨小艺和沈欢他们一行十几人,才总算是到了贵省总站,下了火车之后,贵铝那边也做得很不错,还派了一辆中巴车来,把杨小艺和沈欢他们接到了贵铝的宾馆。

由于太晚,所以大家到了宾馆之后,就各自回房,洗漱一番后就睡了。

其实沈欢也有一点担心,白天的时候秦东提到的问题,由于现在022导弹艇提前了几年,所以在铝合金材料方面的准备就没有那么充分了,如果降低要求,采用和民船一样的铝材,难保不出现结构强度上的问题。

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