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第627章 周年演讲(2 / 2)

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“在哪里,老杨的试验田在哪里!”

他一下飞船甚至来不及收拾自己的月壤3d打印原型机,就嚷嚷着要先去一睹对手的成果。

杨信军参与的第一次登陆任务也进行了快四天,他利用少部分地面上制好的样品铺了一块试验地,这次登陆任务的清单里也包括检查太空水泥15天后的性能有没有显着变化。

在太空用水泥可不简单,首先月球的表面环境就不可能像地球一样露天混合水泥、水和沙子,再者就是月表最高一百多度,最低零下两百多度的极端环境,正常水泥经历这样的剧烈温差变换后就直接碎成粉末了。

太空水泥需要在月表温度在-15度到75度的区间内使用才能保证流动性,并且使用烃类有机质流体而非水作为胶结剂,低温具备流动性而在高温下也不会蒸发,否则暴露在空气中不是立马凝结成冰晶就是蒸发掉了。

剩下的搅拌、铺设等工序也需要专用机械配合完成,杨信军费尽全力也不过铺了五平方米的区域而已。

付向杰先是看着罗森插上了白……三色旗然后才带着他们前往试验田,反正3d打印试验区也要放在那里才能起到对比作用。

当月球车按照导航驶到目的地,但他并没有看见想象中的一片平地。

相反,试验田虽然总体也算平坦,但表面却像是鱼鳞一般密密麻麻地结成巴掌大的小块,给人的感觉就像是……

“这是用脚踩平的吧?”

朱秉光毫不客气地评价道,同时蹲下来用力捏了捏地上的凸起。

太空水泥使用后的颜色与月壤本身似乎没什么不同,但凝固后确实做到了混凝土一样的效果,至少以他的人力根本无法造成一点儿破坏。

“这……真是用脚踩?”

“不,我只是开个玩笑,别当真。”

朱秉光打断了助手的话,反而认真解释道:

“让你平时不好好思考,你想想,以月球几百度的昼夜温差要是铺成一块平地,就算能承受住热胀冷缩的拉力寿命又能有多久?

ppt里放平地是为了显示技术实力,可以但不代表要这样做,而且月球的重力很低,为了防止以后高速行驶的车辆打滑,形成的纹路也能增大摩擦力,这老东西想得确实够周全,也只比我差一点而已。”

付向杰听着前面的话还不断点头暗叹朱教授心胸宽广,结果最后一句话立刻扭转了所有好印象。

“但这种卸应力方式完全不够均匀,铺路还好,制造建筑的时候可就……呵呵。

所以他只能在这儿铺一块平地,而我们要在这里修一栋……一堵墙!”

想起来这次携带原料有限的朱秉光及时改口,但依然不影响他踌躇满志的心态。

只有默默跟着的罗森虽然一言不发,但却在心里暗暗鄙视。

他已经知道联合矿业对核弹修路——准确的说直接修大平原露出了浓厚兴趣,一旦成功效益远远超过这些繁琐且低效的方式。

谁又能知道以大杀器为目的创造的氢弹,真的在工程应用上具备如此大的潜力呢?

(本章完)

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