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From explorer to leader

机译：从探险家到领导者

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Initially these were to detect minor pipeline leaks following hydrotesting, and subsequently to detect and size geometric anomalies and metal-loss features. The activities of Rosen (the company) were initially concentrated on magnetic-flux-leakage (MFL) - the major nondestructive testing technology for pipelines at the time - and the company is still committed to this technology. As testament to this, the company has probably inspected more pipelines globally with MFL tools than any other pipeline inspection vendor. Rosen's range of inspection technologies subsequently has been considerably extended: after MFL - first axial MFL and later circumferential MFL - Rosen introduced the electromagnetic-acoustic technology (EMAT) tools for crack inspection and coating disbondment inspection. Following this, eddy current was introduced as a complementary technology with the MFL tools (for thick-walled offshore pipelines), after which UT piezoelectric wall thickness measurement was introduced, and finally UT piezoelectric crack inspection. Along the way Rosen also introduced high-resolution geometry tools with stand-off sensors and mapping tools. The most recent introduction is the RoMat service, in which an ILI tool using eddy-current technology can measure material properties, i.e. yield strength and ultimate tensile strength of steel.
机译：最初，这些方法是在水压试验后检测轻微的管道泄漏，然后检测几何异常和金属损失特征并确定其大小。 Rosen（该公司）的活动最初集中在磁通量泄漏（MFL）（当时是管道的主要无损检测技术）上，并且该公司仍致力于该技术。作为证明，该公司使用MFL工具检查的全球管道数量可能超过其他任何管道检查供应商。 Rosen的检测技术范围随后得到了相当大的扩展：在MFL（第一个轴向MFL和后来的圆周MFL）之后，Rosen引入了电磁声技术（EMAT）工具进行裂纹检查和涂层剥离检查。此后，涡流作为MFL工具的补充技术（用于厚壁海上管道）被引入，之后引入了UT压电壁厚测量，最后是UT压电裂纹检查。一路走来，罗森（Rosen）还推出了带有对位传感器和测绘工具的高分辨率几何工具。最新的介绍是RoMat服务，其中使用涡流技术的ILI工具可以测量材料性能，即钢的屈服强度和极限抗拉强度。

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