废弃复合材料找到第二生命与清洁天空的重置项目_海外动态_业界资讯__复合材料信息网
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废弃复合材料找到第二生命与清洁天空的重置项目
发布日期:2019-01-05  来源:JEC  浏览次数:267
 
   由于清洁天空公司的重置项目,昨日超出可使用标准的复合飞机部件有机会被转世为未来客机的新部件。
  几十年来,飞机的使用寿命已接近尾声,零部件已被拆下,一些部件经过翻新和再认证-铝通常可以回收到较低档的产品中,比如饮料罐。但是,随着复合材料在今天的飞机上的使用越来越多-例如,空中客车A350WB的机身结构按重量计算为53%,而在A 380-800中为25%(而在1985年的A 310-300中仅为5%)-找到一种回收飞机热塑性塑料的解决方案对环境至关重要。
 
  具体来说,聚醚酮(PEEK)和聚苯硫醚(PPS),通常由碳纤维增强,是最常见的高性能材料,当它们的生命周期已经结束时被认为是剩余物。这些材料都是由位于巴塞罗那的LEITAT技术研究所(LEITAT TechnologyInstitute)协调、于2016年1月至2017年12月实施的“天空重置”项目的主题,该研究所应对了这一挑战,并取得了一些令人惊讶的结果。
  “重置是在机身ITD下的生态设计活动的一部分,而ID EA在这里是要回收飞机的某些部分,这些部件是由复合材料制成的”,清洁天空公司的项目负责人埃琳娜·佩通解释道。“LEITAT的重置团队已经成功地回收了以前使用过的飞机复合材料,并从中制造了一些部件,然后他们将商业的和回收的进行了比较。他们经分析后发现,回收的零件实际上具有类似的机械特性;因此,该项目所开发的技术可在未来几年内在航空部门进行实际商业化,并可能扩展到其他经济部门“。
 
  原文:Yesterday’s composite aircraft parts that are beyond serviceable standard have the chance to be reincarnated into new components for the airliners of the future, thanks to Clean Sky’s RESET project.
 
  Obsolete composites find a second life with Clean Sky’s RESET project
 
  For decades, aircraft reaching the end of their operational life have been stripped down for parts, and some components refurbished and recertified – aluminium can often be recycled into lower grade products, such as drinks cans. But with the increasing use of composite material in today’s airliners – for example, the Airbus A350WB airframe structure is 53% composite by weight compared to 25% in the A380-800 (and compared to just 5% in the A310-300 of 1985) – it’s environmentally essential to find a solution for the recycling of aircraft thermoplastics.
 
  Specifically, PEEK (Polyether ether ketone) and PPS (Polyphenylene sulphide), usually reinforced with carbon fibre, are the most common high per formance materials considered as leftovers when their lifecycle has come to an end. These materials were the subject matter of Clean Sky’s RESET, a project which ran from January 2016 until December 2017, coordinated by the Leitat Technological Institute based in Barcelona, which took on the challenge – with some surprising results.
 
  ”RESET was part of the Eco-Design activities under AIRframe ITD and the id ea here was to recycle some parts of the aircraft which were made from composite” explains Clean Sky’s Project Officer Elena Pedone. ”The RESET team at Leitat have managed to recycle previously used aircraft composite material and from it they’ve manufactured some parts and then they compared the commercial ones versus the recycled ones. Following some analysis they observed that, actually, the recycled parts have similar mechanical characteristics; therefore the technology developed in this project could be realistically commercialised in the aeronautic sector in the next few years and possibly spilled over to other economic sectors”.
 
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