PIPE LIFE PREDICTION METHOD
To predict the life of a pipe earlier.SOLUTION: A life prediction method of a pipe formed of stainless steel through which high-temperature fluid flows, includes the steps of: polishing a surface of the pipe; collecting a replica sample from the surface of the pipe after polishing; observing the rep...
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| Main Authors | , , , |
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| Format | Patent |
| Language | English Japanese |
| Published |
13.10.2023
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| Subjects | |
| Online Access | Get full text |
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| Abstract | To predict the life of a pipe earlier.SOLUTION: A life prediction method of a pipe formed of stainless steel through which high-temperature fluid flows, includes the steps of: polishing a surface of the pipe; collecting a replica sample from the surface of the pipe after polishing; observing the replica sample with a scanning electron microscope or a laser microscope to obtain a generation amount of minute voids in the replica sample; and predicting the service life of the pipe based on the generation amount of minute voids.SELECTED DRAWING: Figure 4
【課題】より早期に、配管の寿命を予測する。【解決手段】配管の寿命予測方法は、高温流体が流れるステンレス鋼で形成された配管の寿命予測方法であって、配管の表面を研磨する工程と、研磨後の配管の表面からレプリカサンプルを採取する工程と、レプリカサンプルを走査型電子顕微鏡又はレーザー顕微鏡で観察し、レプリカサンプルにおける微小ボイドの発生量を取得する工程と、微小ボイドの発生量に基づき、配管の使用寿命を予測する工程と、を含む。【選択図】図４ |
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| AbstractList | To predict the life of a pipe earlier.SOLUTION: A life prediction method of a pipe formed of stainless steel through which high-temperature fluid flows, includes the steps of: polishing a surface of the pipe; collecting a replica sample from the surface of the pipe after polishing; observing the replica sample with a scanning electron microscope or a laser microscope to obtain a generation amount of minute voids in the replica sample; and predicting the service life of the pipe based on the generation amount of minute voids.SELECTED DRAWING: Figure 4
【課題】より早期に、配管の寿命を予測する。【解決手段】配管の寿命予測方法は、高温流体が流れるステンレス鋼で形成された配管の寿命予測方法であって、配管の表面を研磨する工程と、研磨後の配管の表面からレプリカサンプルを採取する工程と、レプリカサンプルを走査型電子顕微鏡又はレーザー顕微鏡で観察し、レプリカサンプルにおける微小ボイドの発生量を取得する工程と、微小ボイドの発生量に基づき、配管の使用寿命を予測する工程と、を含む。【選択図】図４ |
| Author | KOMAI NOBUYOSHI SHIRANE TAKAHIRO TOMINAGA KIMIHIKO SAITO NOBUHIKO |
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| DocumentTitleAlternate | 配管の寿命予測方法 |
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| RelatedCompanies | MITSUBISHI HEAVY IND LTD |
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| Snippet | To predict the life of a pipe earlier.SOLUTION: A life prediction method of a pipe formed of stainless steel through which high-temperature fluid flows,... |
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| Title | PIPE LIFE PREDICTION METHOD |
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