Results 91 to 100 of about 893 (202)

Experimental characterization of dynamic fracture toughness behavior of X80 pipeline steel welded joints for different heat inputs

, 2022
Structural integrity of oil and gas pipelines depends on fracture toughness and metallurgical properties of pipeline steel welded joints. Dynamic fracture toughness (J(Id)) is an important parameter to measure structural integrity in terms of fracture ...
Arora, K S, Gupta, A, Singh, M P, Shukla, D K, Kumar, Rajneesh, Jhunjhunwala, K P   +5 more
core   +1 more source

Effects of Rare Earths on Austenite Grain Growth Behavior in X80 Pipeline Steel

, 2010
Accorded with the criteria the X80 pipeline steels with RE additions have been prepared with a vacuum induction furnace. The effect of rare earths (RE) on austenite grain growth behavior in pipeline steel has been discussed in this work. After hot rolled,
Mao Fa Jiang, Hong Liang Liu, Cheng Jun Liu   +2 more
core   +1 more source

Characterization of Mechanical Properties of Pipeline Steel Based on Small Punch Tests with Thin Specimens

Shiyou jixie, 2023
To solve the problem that conventional testing methods cannot accurately characterize the mechanical property of materials in local areas of high-steel-grade pipelines,the empirical correlation method for characterizing the mechanical properties through ...
Fang Yingchao, Zu Yizhen, Cao Yuguang, Li Xuyang, Han Lei   +4 more
doaj  

Characteristic and Mechanistic Investigation of Stress-Assisted Microbiologically Influenced Corrosion of X80 Steel in Near-Neutral Solutions

, 2022
The behavior and mechanisms of the stress-assisted microbiologically influenced corrosion (MIC) of X80 pipeline steel induced by sulfate-reducing bacteria (SRB) were investigated using focused ion beam-scanning electron microscopy (FIB).
Zhiyong Liu, Rui Zhong, Huihua Guo, Xiaogang Li, Jike Yang, Cuiwei Du, Bo Liu   +6 more
core   +1 more source

Numerical and Experimental Study on Critical Crack Tip Opening Dis-placement of X80 Pipeline Steel

, 2017
High strength pipelines is widely used in the long distance transportation of oil and gas resources. Fracture toughness is one significant material property for these high strength pipeline steels.
Xiaoben Liu, Liu, Xiaoben
core   +1 more source

Structure and Mechanical Properties of Linepipe Steel X80

Teshugang, 2006
The  structure,strength  and  impact  toughness  of  linepipe  steel  X80-0.04C,1.87Mn,0.27Mo,0.06Nb,  0.006V,0.017Ti were tested and compared with linepipe steel X70.The exarination results showed that as structure of the linepipe  steel X80 was ...
张小立, 冯耀荣, 赵文轸, 霍春勇, 庄传晶, 吉玲康, 孟强   +6 more
doaj  

Numerical Study of the Crack-Front Constraint for SENT Specimens of X80 Pipeline Steel

, 2017
This work presents a numerical study of crack-front constraint for SENT specimens of X80 pipeline steel, to examine geometry effect on the correlation of crack-front stress field and constraint.
Ting Zhong, Yan Zhou, Lin Zhu, Jian Shuai, Lan He   +4 more
core   +1 more source

Evaluation the Effect of Velocity and Temperature on the Corrosion Rate of Crude Oil Pipeline in the Presence of CO2/H2S Dissolved Gases

Iraqi Journal of Chemical and Petroleum Engineering, 2019
In this paper investigate the influences of dissolved CO2/H2S gases, crude oil velocity and temperature on the rate of corrosion of crude oil transmission pipelines of Maysan oil fields southern Iraq.
Haider Hadi Jasim
doaj   +1 more source

Mechanical property degradation of X80 pipeline steel due to microbiologically influenced corrosion caused by Desulfovibrio vulgaris. [PDF]

Front Bioeng Biotechnol, 2022
Li Z, Yang J, Guo H, Kumseranee S, Punpruk S, Mohamed ME, Saleh MA, Gu T.   +7 more
europepmc   +1 more source

Effect of H₂S Corrosion on the Fracture Toughness of the X80 Pipeline Steel Welded Joint. [PDF]

Materials (Basel), 2022
Wang X, Wang D, Deng C, Li C.
europepmc   +1 more source