三百九十八章：使出浑身解数
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铁尺再次被取下，表面只有一片不明显的颜色改变。
小林井看铁尺的眼神都直了，寻常难以用机床加工的材料，比如不锈钢，到电弧切割面前，会变得比奶油还要乖顺。
可是遇到了铁尺，竟然连一层皮都撼动不了。
“哎哟很烫手。”小林井忽然很夸张的甩甩手，故意把铁尺仍了出去。
铁尺叮叮当当弹跳了老远，然后弹幕里，全是在讨伐他无耻的消息。
过强则易折的道理，连古人都明白。硬度越高的金属物体，往往也越脆。举个简单例子，普通家庭里的玻璃窗，其硬度要比百分之九十的金属还高，可一拳头就碎。
拿金属中极为坚硬的钨钢来说，长条状的钨钢跌落地面，百分之一万要碎裂开来。机床用的钨钢钻头，平日不用都要收纳在专门的工具盒中，防止磕碰。
这根铁尺那么硬，说不准也非常脆
铁尺弹跳了几下，正好落在叶青不远处。
捡起完好无损的铁尺，重新递给小林井，叶青眉毛一挑：“小林教授，怎么我摸这根铁尺，一儿也不烫？”
“有有大功率激光切割机么？”小林井既羞愧又震惊，还有满脸无法掩饰的尴尬。
一台西门子4500激光切割机被调校完毕，保护罩降下后，过了五分钟才缓缓开启。
这次开启，除了表面被灼烧出一层积炭的铁尺，还有日理工大学一张张难看的猪肝脸。
只要用液体洗下那层积炭，铁尺表面一定会和刚拿过来时候，没什么两样。
还刻什么字，现在小林井感觉能在铁尺上留下一个浅浅的痕迹，就已经是巨大满足。
“能不能再把实验室，多借给我们使用一晚上？”无地自容的小林井，捂着脸对旁边的蔡教授问道。
“还有继续的必要么？”蔡晨宁教授摊了摊手：“当然如果你们还想继续的话，我没有意见。”
能试的已经都试完了，结果大家也已经知道了。
蔡晨宁教授打了个哈气，让负责实验室的老师陪在这里。叶青也冲小林井他们挥挥手，准备离开。
“怎么办怎么办，直播小哥你可别走啊，我想看他们到底能不能在铁尺上，留下痕迹呢。”
“哪位机械工程系的大哥，能给我科普一下，这根铁尺是什么材料做的？”
“一零界的机械系研究生告诉你，那根铁尺是艾德曼合金打造，美国队长的盾牌里就有这种成份。”
“我给你刷礼物，直播那位同学你不要走。”
“知道了，我不走。”直播画面中，传来让人心旷神怡的声音。
出了机械实验室的大门，叶青心情也变得心旷神怡。
“叶总，真不知怎么感谢你。”跟着出来的蔡晨宁教授，紧紧握住叶青双手，语气激动：“没有你，咱们学校这次可就真的成了笑柄。”
“哈哈还有那根铁尺，他们要刻百世之师，快把我憋坏了，我硬掐着大腿让自己忍住笑。”
“老师不用客气，举手之劳而已。”叶青嘴角露出愉快的微笑，这件事确实很爽，还有那些学弟学妹们看自己的眼神，全是崇拜。
“那根铁尺，叶总您是怎么做到的，它似乎已经达到了无法可控被破坏的程度。”
叶青正准备说一下铁尺的大概制作步骤，一阵电话铃声打断了下面的话。
电话是销售经理孔涛打来的，电话一接通，他便连忙道：“老板您快看新闻，就是微信里面推送的新闻。”未完待续。、，您的支持，就是我最大的动力。161117041117
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