Regularities of Growth of Fatigue Cracks in Hybrid Pumping Rods

Materials Science - We analyze specific features of the fatigue fracture of hybrid pumping rods with carbon-fiber cores and fiberglass shells intended for the oil extraction. It is shown that the...     

Ranking of the Mechanical Characteristics of Steels of Steam Pipelines of Thermal Power Plants by Their Sensitivity to In-Service Degradation

Materials Science - We analyze the mechanical properties of heat-resistant steels after long-term operation at thermal power plants. It is shown that the operating conditions (high temperature and...     

Structural-Fractographic Features of Structural Steels After Long-Term Operation

Materials Science - We analyze the metallographic and fractographic features of structural steels after long-term operation under the climatic conditions (temperature fluctuations, wind gusts, acid...     

Methods for the Evaluation of Corrosion-Hydrogen Degradation of Steels of Oil-and-Gas Pipelines

Materials Science - We analyze the mechanical, structural-fractographic, and electrochemical methods aimed at the evaluation of the in-service degradation of pipe steels with regard for the...     

Role of Nonmetallic Inclusions in Premature Stress-Corrosion Fractures of Drill Pipes

Materials Science - We analyze the causes of the in-service loss of integrity of drill pipes made of G105 steel connected with their premature stress-corrosion fractures. In this case, the...