... ABSTRACT The conventional marine steel suffers performance degradation at high temperatures. Carbon matrix and ceramic matrix composites have good and stable mechanical properties, and they are one of the candidate materials for high-temperature situations of ship hulls. Through extensive...

... ABSTRACT In-plane mechanical properties of a novel foam-filled re-entrant hexagonal auxetic honeycomb under quasi-static planar compression have been proposed in the present research. The first step is to design and fabricate two types of re-entrant honeycombs, the void auxetic honeycomb...

..., which also contribute to low energy absorption efficiency. In pursuit of enhancing the mechanical properties of sandwich structures, we proposed the development of Plate/Truss Hybrid Crystal Lattice Metamaterials (PTh-CLMs). This innovative approach aims to combine the advantageous features of both...

... pipelines the deterioration of material mechanical properties is likely to happen when hydrogen entering into metal materials. Under the transportation conditions, due to the comprehensive effect of internal and external stress, hydrogen bubbling, hydrogen-induced cracking, ductility reduction and other...

... safety of pipeline engineering (Bai et al., 2023). piping design steel pipe microstructure low-temperature toughness toughness heat treatment process pipe fitting liquified natural gas (lng) strength seamless steel pipe tee fitting mechanical property low-temperature performance...

... ABSTRACT Compressive strength, as a key mechanical property of sea ice, has emerged as a crucial parameter and research basis for the design of polar ships and the analysis of ship-ice interactions. The strain rate plays a crucial role in determining the compressive strength and failure...

... system (2.40g/cm 3 ) with close packing and optimized design has good rheological property (n≥0.8, k≤0.6Pa.s n ) and high compression strength (>30MPa, 48h), the contradiction between rheological and mechanical properties of cement paste is balanced effectively, and the comprehensive performance meets...

... . The preparation process, which includes the manipulation of temperature, pressure, and time, is a critical determinant of the tribological and physical-mechanical properties of UHMWPE. During the preparation process, when the temperature exceeds the melting point temperature, the initial chain segment diffuses...

... of hydrogen damage and it effects to mechanical properties are presented. Hydrogen enhanced fatigue mechanism is clearly presented and related testing methods are introduced. Recent investigations of pipeline steels reveal that 67.7% reduction of fatigue strength due to increment of hydrogen pressure...

... material behavior (UMAT) program to elucidate the essential relationship between composite pipe and attenuation of mechanical properties of the element. For numerical assessment of tensile fatigue failure, the stress and failure element were identified, and stiffness attenuation due to tensile load on FRTP...

... of Sandglass-type FPSO by using this method. This paper provides a numerical calculation method for adaptability analysis of structures in marine environment in ice area. The numerical sea ice model provided in this paper can simulate the real mechanical properties of sea ice. Compared with the calculation...

...) and flux-cored arc welding (FCAW) were used to evaluate the weldability of the steel plate with thickness of 100mm. The mechanical properties of the welded joints and matrix materials are tested. The experiment of crack tip opening displacement (CTOD) was carried out at -10C. The results show...

... strength. In the 3D printing process of composite materials, carbon fiber is used as reinforcement, and the interface bonding performance between carbon fiber and resin is a key factor affecting the mechanical properties of materials. In order to improve the mechanical properties of 3D printed continuous...

... ABSTRACT A comprehensive study was carried out on the influence of Hydroxypropylmethylcellulose (Methocel F50 - HPMC) on the mechanical properties of a reference sand. It was found that the nonlinear dependence of viscosity on HPMC content is in agreement with literature data. As far...

... experiment cement formulation formation fluid mechanical property weaklyconsolidated shallow formation young ph value metakaolin dosage liu application ABSTRACT The mechanical properties of weakly consolidated shallow formation are low strength and low Young's modulus while the Portland...

... regulated corrosion resistance reaches 4 mm/y. and mechanical properties of AH/DH 32/36 grades was newly For such corrosive environments of cargo oil tanks, no painting has developed. In addition, corrosion resistant steel for upper deck been used in general so far. However, from the viewpoint of improving...

... to analyze the repair effect of composite materials. Peck J A (2004) used simple four-point bending and internal pressure experiments to evaluate the mechanical properties of the composite repaired pipes, and used a finite element method to do results were in good agreement with experimental results. Secica...

... to the toughening mechanism of the fiber and the demand of practical engineering application. The optimum ratio of three kinds of fibers was determined by orthogonal test, and the multiscale fiber toughener BCE-230S was invented. Effects of different additions and different ages on mechanical properties of oil well...

... with their compositions was conducted. Microstructure analysis and mechanical properties were used to explain this results. Increasing ferrite stabilizer of LTT filler alloys, influence on δ-ferrite to mechanical properties was investigated. EXPERIMENTAL PROCEDURES It was noted (Beres, 1998) that the Schaeffler...

... significantly with the increase in pore pressure and the mechanical properties of hydrate sediments may change, which may cause potential geomechanical disasters, such as subsea landslides, drilling platform failures, casing deformation, and so on (Huang, 2017). Therefore, it is of great significance to study...