The application of MMMT in weld inspection is investigated and compared with the result of X-ray inspection in the paper.
研究了磁记忆检测技术在焊缝检测中的应用情况，并对比X射线的检测结果，分析了该技术在焊缝无损检测中的应用可行性。
A typical signal was found in the position of welding scar of a liquefied petroleum gas (LPG) tank by metal magnetic memory testing (MMMT).
采用磁记忆检测发现液化石油气储罐焊疤部位存在较强的磁记忆信号。
The amplitude and gradient of MMMT signals not only relied on the average stress of the shell, but also relied on the local stress concentration.
由此证明磁记忆信号的幅度和梯度既与材料所处的整体应力有关，也与该部位的局部应力集中度有关。
The residual life prediction is one of the cores of the remanufacturing engineering. Metal magnetic memory testing (MMMT) is a highly promising tool in this field.
剩余寿命预测是再制造工程的核心内容之一，金属磁记忆技术在再制造毛坯寿命预测领域极具潜力。
Present level of nondestructive testing and metal magnetic memory testing(MMMT) on pressure vessels was analyzed. Application instance on pressure vessels is reviewed of MMMT.
分析了压力容器的无损检测现状和磁记忆检测技术在该领域的应用前景，介绍了目前金属磁记忆方法在压力容器检测中的应用情况。
The practical application of MMMT in cast steel coupler inspection is studied and the result shows the technique can be used in inspection of steel casting with high precision.
研究了磁记忆技术在车钩钩尾框检测中的实际应用，磁记忆技术能够对钩尾框进行准确检测。
Metal Magnetic Memory Testing (MMMT) is a new technology in metal non-destructive test (NDT). MMMT is not only used for failure early diagnosis, but also for defective inspection of steel casting.
金属磁记忆检测是无损检测领域的一项新技术，不仅可以对钩尾框的失效进行早期诊断，而且可以对钩尾框缺陷进行准确检测。
Metal magnetic memory technology (MMMT) is new nondestructive testing (NDT) method that can detect the hidden damage in ferromagnetic component early and avoid component-tired damage happen abruptly.
金属磁记忆检测技术是对铁磁设备部件隐性损伤进行早期诊断，防止部件突发性疲劳破损的一种无损检测新技术。
Metal magnetic memory technology (MMMT) is new nondestructive testing (NDT) method that can detect the hidden damage in ferromagnetic component early and avoid component-tired damage happen abruptly.
金属磁记忆检测技术是对铁磁设备部件隐性损伤进行早期诊断，防止部件突发性疲劳破损的一种无损检测新技术。
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