Optimized Diagnosis and Prognosis for Impingement Failure of PA and PE Piping Materials

Deng, Yiming; Liu, Yongming; University of Colorado at Denver; Arizona State University

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Optimized Diagnosis and Prognosis for Impingement Failure of PA and PE Piping Materials

2016-08-10
By Deng, Yiming ; Liu, Yongming

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English

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Details:

Creators:

Deng, Yiming ; Liu, Yongming

Deng, Yiming ; Liu, Yongming Less -
Corporate Creators:

University of Colorado at Denver ; Arizona State University

University of Colorado at Denver ; Arizona State University Less -
Corporate Contributors:

United States. Department of Transportation. Pipeline and Hazardous Materials Safety Administration
Subject/TRT Terms:

[+]

Failure Analysis Failure Modes Pipelines Plastic Pipe Polyethylene Polyethylene Pipe Thermoplastic Materials
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final Report
Corporate Publisher:

United States. Dept. of Transportation. Pipeline and Hazardous Materials Safety Administration
Abstract:

Pipeline infrastructure and its safety is critical for the recovering of U.S. economy and our standard of living. Statistics from U.S. Department of Transportation (DOT) and Gas Technology Institute (GTI) show the decline in use of steel and cast iron piping materials is significant in recent years and the increase in pipeline system size is largely due to plastic pipe installations. However, failure inevitably occurs in plastic piping materials and impingement failure is caused by high localized stress concentration combined with defects and inclusions. The object of this project is to fundamentally understand and characterize the failure modes and associated material behaviors for modern plastic piping materials. The proposed optimized diagnosis and prognosis approach is thoroughly investigated. The dominating polyethylene (PE) materials (which make up nearly 97% of current plastic pipes) and the emerging thermoplastic (PA) pipes that can operate at much higher pressures and be installed using existing PE tools and techniques are compared.
Format:

PDF
Funding:

DTPH5614HCAP04L
Collection(s):

PHMSA Collection
Main Document Checksum:

[+]

urn:sha256:b622f097ae2a9081db1468316d7964943d13ba8220bfdb35f9c3b7eef7f65110
Download URL:

https://rosap.ntl.bts.gov/view/dot/56221/dot_56221_DS1.pdf
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Optimized Diagnosis and Prognosis for Impingement Failure of PA and PE Piping Materials

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