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DIC Applications Highlights from China

机译：DIC应用亮点来自中国

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China has become a significant market for commercial digital image correlation systems, and usage is continuing to accelerate. The authors have been providing training and application support for more than 100 installations across the country. This paper reviews some of the most widely seen applications, as well as a few special cases. China produces more cars annually than any other country, so it is natural that there are many applications in the automotive industry, as well as related areas such as steel production. DIC is used to characterize new alloys and to determine forming limit curves for sheet metal. Nearly every steel manufacturer in China is equipped with a commercial DIC system. In the aerospace industry, DIC is used for various testing requirements, from basic static materials mechanical tests to determine material behavior; high rate strains; from component testing (i.e. aircraft panel test) to entire airplane strength tests. In the civil engineering industry, we have done DIC tests such as concrete tensile and compression tests, concrete wall shear tests, large concrete platform with different steel fibers bending tests, and whole building strain tests under earthquake simulation. And in the biomechanics industry, we use DIC to study implants mechanics features after they are implanted into the human body and grow together with human bones. Last but not least, in order to assure the accuracy of DIC, we have done quite a few comparison experiments between DIC and extensometers or strain gauges, and the results are quite satisfactory.
机译：中国已成为商业数字图像相关系统的重要市场，并继续加速。作者一直在全国各地提供100多个安装的培训和应用。本文评论了一些最广泛的应用，以及一些特殊情况。中国每年生产更多的汽车，这是任何其他国家的汽车，所以汽车行业有很多应用，以及钢铁生产等相关领域。 DIC用于表征新合金，并确定金属板的形成极限曲线。几乎每个中国的钢制造商都配备了商业DIC系统。在航空航天工业中，DIC用于各种测试要求，从基本的静态材料机械测试确定材料行为;高速率菌株;从组件测试（即飞机面板测试）到整个飞机强度测试。在土木工程行业中，我们已经做了DIC测试，如混凝土拉伸和压缩试验，混凝土墙剪切试验，大型混凝土平台，不同的钢纤维弯曲试验，以及在地震仿真下的整个建筑物应变试验。在生物力学行业中，我们使用DIC学习植入物力学特征，然后植入人体并与人体骨骼一起生长。最后但并非最不重要的是，为了确保DIC的准确性，我们在DIC和伸长仪或应变仪之间做了相当多的比较实验，结果非常令人满意。

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