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三百七十一章:老师,您找我?

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这位硕士生之前跟在导师后头,研究贝氏体钢的工艺。

贝氏体钢广泛用在航空、车辆、船舶,以及压力容器和高压管道的材料上,想要研究贝氏体钢,第一步就得先观察贝氏体钢的表征。

表征就是俗称的放大结构,从它的外观,到晶体结构的放大,让肉眼可以观察到贝氏体的晶体纹路。

叶青进去时候,这位员工正在通风操作间内,用橡皮擦沾上研磨液,在一块薄到肉眼几乎不可见的冲压金属薄片上,机械的来回擦拭。

“老板~”这位员工停止擦拭,站起来有些拘谨地和叶青打招呼。

因为暂时没物色到合适人选,产品研发部的经理暂时由叶青担任。之前叶青给他们开过一次会,所以这里的新员工都能认出叶青。

“唐波,你……难道就打算靠橡皮擦,把试样擦到五百纳米厚?”叶青对这位母校出来的学长,同样有映像。看到这个,眼睛都瞪大了。

没错!

电子扫描显微镜的试样厚度,只有几百纳米。

这个厚度大概相当于一根头发丝的千分之一,只有那些往往只负责一道工序的特种机床,才能削切出来。

“磨出个大概厚度,再用激光测厚仪随时检测。”唐波挠挠头:“这个方法是我师哥教的,他说试样薄片用高精机床加工,金属相互磨损,很容易参入其它金属进去,影响观测效果。”

“用手工打磨,只要掌握正确方法,时间并不会比机床加工慢。并且制作出的试样,只有单一的贝氏体结构,非常利于观察。”

叶青对他起表扬的大拇指,示意他继续努力。

手工打磨,确实可以慢慢将金属薄片磨到那种厚度。橡皮擦只在大块的金属薄片上研磨,最后在光学显微镜下,剪出合适的试样形状。

有极为先进的激光测厚仪,来不停检测厚度,只要有耐心,理论上普通人也能磨出五百纳米厚度。即使磨破了也不要紧,试样只要3毫米长的小圆片,从哪里剪一块都行。

当然这仅仅是理论,普通人别说五百纳米,五万纳米都要磨出狂躁症出来。

看唐波磨地很开心样子,叶青意识到自己招到了人才,一位有着超凡耐心的人才。

“老板,您这里的仪器太先进了,连原子探针都有。”唐波越磨越起劲:“这里就像工业狗的伊甸园,中云大学里只有化学实验室能拿得出手,咱们工业狗想做个电扫描表征,还得看化学实验室的脸色。”

“就那十年前的淘汰产品,到老板您这里一比,山鸡与凤凰的差距。至于原子探针,我估计只有那些教授才见过。”

“那就好好干,任何设备仪器,只要能采购到,价格从来都不是问题。”

鼓励几句,叶青转身去别的地方参观。

叶青刚走到那台同位素质谱仪面前,除尘通道那边,就走进来一位身穿无尘服,不停喊:“老板~老板”的人。

来人是销售经理孔涛,看见叶青后,小跑过来:“老板,刚打您电话也打不通。中云大学的蔡晨宁打电话来,说想请您帮个忙。”

“他介绍是您大学老师,我就赶紧到这儿找您了。”

“嗯~他确实是我老师。”叶青头,走到除尘通道那边取出电话,拨通蔡晨宁教授的电话。

“老师,您找我?”

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