$floatcFile = "/www/wwwroot/xin_floatAdc.txt"; 重生之大学霸(鹿林好汉)_1047章 碳化硅晶须铝基复合材料!(2 / 2)_重生之大学霸最新章节免费阅读无弹窗_新笔趣阁

1047章 碳化硅晶须铝基复合材料!(2 / 2)

这种材料克服了之前铝合金难于进行冲压和焊接的的难题,现在中原汽车集团公司也是开始将这种材料开始使用在高端的汽车产品上面。

之前铝合金热敏度很高,受热后还很容易膨胀,所以普通的汽车焊接工艺很难满足于它,所以捷豹路虎不得不将将航空飞机上的铆接工艺应用到汽车上,并加以胶合工艺提高连接强度和密封性,并且在铝合金的冲压工艺上也是想了很多的办法,工艺也是很复杂。

本来铝合金材料的成本就比钢材的要贵,再加上铝合金在汽车产业上使用的工艺难度很高,所以制造成本要比钢材高得多,捷豹和路虎的造价也是很难降下来。

现在华兴集团公司量产了这种碳化硅铝基复合材料后也是让施韦德博士一下子看到了大幅降低捷豹路虎汽车产品造价的曙光!

捷豹路虎公司的技术部门人员得知母公司那边已经量产了这种特殊的铝合金复合材料,价格甚至比之前的高端航空铝合金材料还要便宜,这也是让他们喜出望外。

之前捷豹路虎大量使用铝合金,成本很难降下来,也很难用这种材料来生产比公司现有车系更低一档次的车型。

华兴集团公司之所以能够做到量产主要是采用了新的制备工艺,之前国外的厂商也是使用过碳化硅颗粒来增强铝基材料,不过采用的制造工艺如搅拌铸造法、压力铸造法、粉未冶金法等均难以一次性获得外形尺寸与机械性能等都合乎要求的铝基复合材料构件,特别是对延性要求较高的产品。

不过机床研究院在碳化硅晶须材料的基础上研发出了一种新型的工艺,让这种碳化硅晶须材料增强的铝基复合材料克服了以前材料中存在孔隙、疏松、偏析及夹杂等缺陷,热塑性变形的性能非常好,在锻造过程不会开裂,这方面比汽车钢材的性能还要好。

现在这些材料已经大量运用于航空航天、武器装备等高性能关键承力构件方面,当然,这种材料已经运用在射频、微波电路的封装及航空航天电子系统中的金属封装材料和产品外壳材料,而且也开始运用在了高铁领域,华兴集团公司在这种材料上的工艺也是成熟了。

捷豹路虎这么多年来一直在全铝合金车身制造工艺上持续地进行研发,虽然在这方面做得比其他的汽车厂商都要好,手里确实有过硬的技术,比如铆接胶合技术,这一冷连接技术可以避免车身连接处的热变形,不仅解决了铝合金材料焊装性低的问题,同时还确保车身连接强度。

这些虽然足以让捷豹路虎公司的工程技术人员引以为傲,但是铝合金材料的缺陷也是一直让捷豹路虎的生产成本没办法降下来,毕竟谁都不会跟钱过不去嘛!

捷豹路虎一直都是想得到更好的铝合金材料,不过让他们震惊的是母公司方面竟然在这方面取得了重大的突破!

所以捷豹路虎公司技术部门也是向杨杰保证会尽快地将这种碳化硅晶须铝基复合材料尽快地运用在公司所有的汽车产品上面,同时改进工艺。

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