Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature

The corrosivity of bitumen at 60 and 120 °C was examined by exposing American Petroleum Institute (API) X100 (yield strength 100 ksi, 690 MPa) pipeline steel to bitumen in an autoclave for 30 days. Prior to the autoclave measurements, the inclusion types in the API-X100 pipeline steel were character...

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Main Authors: Hongxing Liang, Edouard Asselin
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/14/17/5007
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author Hongxing Liang
Edouard Asselin
author_facet Hongxing Liang
Edouard Asselin
author_sort Hongxing Liang
collection DOAJ
description The corrosivity of bitumen at 60 and 120 °C was examined by exposing American Petroleum Institute (API) X100 (yield strength 100 ksi, 690 MPa) pipeline steel to bitumen in an autoclave for 30 days. Prior to the autoclave measurements, the inclusion types in the API-X100 pipeline steel were characterized by scanning electron microscopy (SEM), and four types of inclusions were identified, according to their elemental compositions. The four types of inclusions and the surrounding matrix were characterized by ex situ SEM before and after exposure to bitumen. The results show that no obvious corrosion occured at the inclusions or the matrix after exposure at 60 and 120 °C.
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spelling doaj.art-8a313b8b461f42d29e28c96be38397752023-11-22T10:54:55ZengMDPI AGMaterials1996-19442021-09-011417500710.3390/ma14175007Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated TemperatureHongxing Liang0Edouard Asselin1Department of Materials Engineering, The University of British Columbia, Vancouver, BC V6T 1Z4, CanadaDepartment of Materials Engineering, The University of British Columbia, Vancouver, BC V6T 1Z4, CanadaThe corrosivity of bitumen at 60 and 120 °C was examined by exposing American Petroleum Institute (API) X100 (yield strength 100 ksi, 690 MPa) pipeline steel to bitumen in an autoclave for 30 days. Prior to the autoclave measurements, the inclusion types in the API-X100 pipeline steel were characterized by scanning electron microscopy (SEM), and four types of inclusions were identified, according to their elemental compositions. The four types of inclusions and the surrounding matrix were characterized by ex situ SEM before and after exposure to bitumen. The results show that no obvious corrosion occured at the inclusions or the matrix after exposure at 60 and 120 °C.https://www.mdpi.com/1996-1944/14/17/5007API-X100 pipelinebitumencorrosioninclusion
spellingShingle Hongxing Liang
Edouard Asselin
Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
Materials
API-X100 pipeline
bitumen
corrosion
inclusion
title Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
title_full Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
title_fullStr Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
title_full_unstemmed Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
title_short Ex Situ Examination of Matrix and Inclusions of API-X100 before and after Exposure to Bitumen at Elevated Temperature
title_sort ex situ examination of matrix and inclusions of api x100 before and after exposure to bitumen at elevated temperature
topic API-X100 pipeline
bitumen
corrosion
inclusion
url https://www.mdpi.com/1996-1944/14/17/5007
work_keys_str_mv AT hongxingliang exsituexaminationofmatrixandinclusionsofapix100beforeandafterexposuretobitumenatelevatedtemperature
AT edouardasselin exsituexaminationofmatrixandinclusionsofapix100beforeandafterexposuretobitumenatelevatedtemperature