五百五十四章：让警方恐惧的检测结果
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这句话，比强心针还有效。警察们赶忙抬起头，一霎不霎地盯住叶青，同时做洗耳恭听状。
“没有异样的成份存在，但是原先金属成份的比例比不对。”叶青指着检测报告单上的几种金属成份，嘴角翘起一个弧度：“铝、鎂，的成份不对。”
“金属材料中添加铝，可以提高金属的强度和抗腐蚀度。但是这份报告里的铝，含量超标了。”
“保险箱用的耐磨钢通常都是kn60型号，从这台保险箱的金属成份看，也是用的这种。我记得这种耐磨钢里，铝的添加比例只占到3%，而这里检测出的铝，占到了15%。”
“鎂的添加比例更低，似乎连1%都不到，但是这里检测出了5%。”
不是吧，连用的什么合金，都能从金属成份里总结出来？
这帮警察们佩服之余，又忍不住疑问，铝和鎂多了会怎么样？
“任何一种合金配方，都是经过长期实践摸索，得出的最佳配比数值，没有任何工厂会犯这种搞错配比的愚蠢错误。”
“既然工厂不会错，那就代表多出来的铝和鎂，是那帮大盗添加进去的。”
“添加铝和鎂？”章之潼娥眉颦锁：“这帮人想干什么？”
“应该还加了氧化铁，只是保险箱外壳里，铁的成份太多，从检测报告上看不出太大变化。”
“还加铁？”
“非常绝妙的构思。”叶青赞叹道：“这伙人绝对不是懂得工业加工那么简单，而是非常精通，堪称工程师的级别。”
“铝热反应，又或者叫铝热剂。”
“用铝粉、氧化铁粉、混合在一起，用镁粉充当引燃剂。”
“混比得当，引燃后可以产生超过三千度的高温，在工业用途中，这种方法会被用来熔化难熔金属，或者金属焊接。”
又是一个冷门技术被他们学到了，警察们听的脑袋一一。
但是叶总说，这种方式一般用来熔化金属，或者焊接。那应该烧蚀不出，这种跟子弹射击的洞孔吧？
“高压喷射。”
叶青笃定道：“用极细微的金属粉末混合在压力容器中，这燃效果，不亚于破甲弹的金属射流。”
“金属粉末越细腻，燃烧也就越充分。就拿最常见的铁来说，普通的铁，用打火机烧一辈子也烧不动。但是纳米级的铁粉，用火一就燃。而纳米级铁粉，从网上都能买到。”
“对于这帮工业高手来说，烧穿保险箱外壳，随随便便用几个小工具，就能撬开内部的机械锁结构。”
“……”
我的天妈，这到底是哪位工程师吃饱了撑，跑去当小偷？
有这技术偷什么珠宝，去美国当间谍，偷高科技资料啊。
听完叶青的科普，警察们眼泪都要飙出来了，他们觉得这些精通工业的大拿太可怕了。
如果……
如果像叶总这种工业大才，去干那些违法乱纪的事情，会怎么样？
这是个非常让人绝望的推测，不过在场的警察，又想了想叶总随随便便拿出一样东西，都能抵的上他们一栋总局大楼的价格。
他们心里顿时释然了，舒坦了。
几千万黄金珠宝在他眼里，估计也就一堆可有可无的材料。
“这会是一件，轰动全国警察内部系统的大案。”惊叹许久，章之潼叹了口气：“能拿出这种闻所未闻的作案手段，我真的一都没有信心抓到他们。”
“试一试，排查一下各大高校和实验室。普通的技术工，没有这方面的能力的。铝热剂一个配比不好，那就成了燃烧弹，把自己烧成火鸡。”
叶青同样叹了口气：“有这技术，不来我们工厂打工，去当贼，太可惜了。”
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