共查询到18条相似文献,搜索用时 78 毫秒
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复合材料与风机叶片 总被引:3,自引:1,他引:3
陈绍杰 《高科技纤维与应用》2007,32(3):8-12
介绍了风机叶片研发的趋势以及复合材料叶片设计、分析、材料、制造和试验验证的相关技术,给出了碳纤维在叶片上应用的现状和前景以及有关叶片的新兴技术。提出了发展我国叶片技术的相关建议。 相似文献
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缩短复合材料叶片制造周期的研究 总被引:1,自引:0,他引:1
以缩短复合材料叶片制造周期2h为前提,通过调整升温速度和最高温度点的保温时间,模拟了叶片的4种生产工艺。通过对这4种工艺制得的样品进行力学性能和热学性能的测试,探索缩短风机叶片生产周期的方法,为节约成本找出实验依据。 相似文献
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GAMESA创新技术公司与M.Torres集团公司荣获2011年JEC风能类别创新奖。他们合作开发了用于制造风力机叶片的全自动化设备。 相似文献
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2MW风机复合材料叶片材料及工艺研究 总被引:3,自引:2,他引:1
风力机在工作过程中,风机叶片要承受强大的风载荷、气体冲刷、砂石粒子冲击、紫外线照射等外界作用.为了提高复合材料叶片的栽荷、耐腐蚀和耐冲刷等性能,必须对树脂基体系统进行精心设计和改进,采用性能优异的环氧树脂,改善玻璃纤维/树脂界面的粘结性能,提高叶片的承载能力,扩大玻璃纤维在大型叶片中的应用范围.通过对新型环氧树脂的研究和对传统叶片工艺的创新,研究结果表明复合材料叶片可以达到在恶劣工作环境中长期使用的性能. 相似文献
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毕鸿章 《高科技纤维与应用》2009,34(4):49-49
位于美国肯塔基卅IHebron市的MAG公司,将在美国风能协会(AWEA)于5月4~6日在芝加哥市举办的WINDPOWER2009(风动力2009)展览会上,介绍一种新系统,允许自动化制造复合材料铺迭系统(RMPS)与快速固化模制系统,使工作内容减少2/3,生产能力达到双倍。RMPS是一种自动化风机叶片模制设备,其本身能给模具上喷涂、能使玻璃纤维与碳纤维分布/铺迭及能施加树脂。它提供材料分布与铺迭速度为3m/s,并且在叶片蒙皮、翼梁盖和薄网模具上,采用激光观测交叉部位和纵向基底皱纹。该系统铺迭时间可减少85%,决定于层合进度,叶片长度为45m。 相似文献
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K. B. Katnam A. J. Comer D. Roy L. F. M. da Silva T. M. Young 《The Journal of Adhesion》2015,91(1-2):113-139
Renewable energy sources such as wind energy—together with energy-efficient technologies—are essential to meet global energy demands and address climate change. Fiber-reinforced polymer composites, with their superior structural properties (e.g., high stiffness-to-weight) that allow lightweight and robust designs, play a significant part in the design and manufacture of modern wind turbines, especially turbine blades, for demanding service conditions. However, with the current global growth in onshore/offshore wind farm installations (with total global capacity of ~282 GW by the end of 2012) and trend in wind turbine design (~7–8 MW turbine capacity with ~70–80 m blade length for offshore installations), one of the challenges that the wind energy industry faces with composite turbine blades is the aspect of structural maintenance and repair. Although wind turbines are typically designed for a service life of about 20 years, robust structural maintenance and repair procedures are essential to ensure the structural integrity of wind turbines and prevent catastrophic failures. Wind blades are damaged due to demanding mechanical loads (e.g., static and fatigue), environmental conditions (e.g., temperature and humidity) and also manufacturing defects. If material damage is not extensive, structural repair is the only viable option to restore strength since replacing the entire blade is not cost-effective, especially for larger blades. Composite repairs (e.g., external and scarf patches) can be used to restore damaged laminate/sandwich regions in wind blades. With composite materials in the spar (~30–80 mm thick glass/carbon fiber laminates) and aerodynamic shells (sandwich sections with thin glass fiber skins and thick foam/wood as core), it is important to have reliable and cost-effective structural repair procedures to restore damaged wind blades. However, compared to aerospace bonded repairs, structural repair procedures in wind blades are not as well developed and thus face several challenges. In this regard, the area of composite repair in wind blades is broadly reviewed to provide an overview as well as identify associated challenges. 相似文献
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介绍了国际上较为流行的两大退火工艺流派的最新进展,并根据工艺要求,以例证的形式提出在退火窑制作和安装过程中应注意的几个问题,以便提高退火质量. 相似文献
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紫铜触头是用于农村电网改造控制设备真空灭弧室产品上的一个重要部件,其制造加工质量直接影响到该产品的使用性能、寿命和生产成本。本文即根据生产实践展示了典型紫铜触头类零件的生产制造工艺。从中借鉴其工艺思想、方法。应用于类似零件的制造加工工艺设计,可提高产品质量,节约制造成本。 相似文献
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