..., the present study compares the mechanical properties of AM 17-4 PH stainless steel samples with those of wrought 17-4 PH samples. Stress intensity factor and J integral were used to measure fracture toughness of the specimens. The change in fracture toughness with strain rate was evaluated by simulating two...

... with their quasi-static and dynamic mechanical properties. These characterizations include assessment of the CNTY homogeneity by means of Raman spectroscopy mapping, determination of linear density and porosity, atomic force microscopy, and dedicated measurements of the statistical distribution of the yarn’s...

... during post-processing had a significant influence on the microstructure and subsequently the mechanical properties of the lattices. Oxygen content analysis was conducted to confirm the oxygen diffusion through the strurts’ peripheries. The effect of oxygen diffusion during the HIPing and sub-transus HT...

...Yusuke Matsuda; Aref Samadi-Dooki; Yinjie Cen; Gisela Vasquez; Luke Bu Polymer coatings are widely used in industrial applications. The mechanical properties of these polymer coatings are known to vary with temperature and deformation rate. The characterization of the dynamic mechanical properties...

.... Statistically significant differences were observed in the mechanical properties based on tension testing and Izod impact testing, while differences in thermal properties based on differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) were less significant. Test samples with 30 wt% lignin...

... of the mechanical properties of this material by a suite of computational and experimental approaches. First, we present parameterization of an interatomic potential for modeling monolayer as well as multilayered MoTe 2 films. For generating the empirical potential parameter set, we fit results from density...

...Donghui Wang; Shaogang Wang; Wen Zhang The dissimilar titanium alloys Ti70/TA5 are welded by using electron beam welding. The microstructure and mechanical properties of the welded joints are systematically investigated, and the welding parameters are optimized. Results show that the fusion zone...

... welding methods on metallurgical and mechanical properties, the welded joints were examined using optical microscopy, scanning electron microscopy (SEM), and energy-dispersive spectroscopy (EDS) and also subjected to radiographic, hardness, tensile, and notched impact tests. The weld metal (WM) region...

...Shih-Ying Chang; An-Bang Wu; Jun-Yen Lee; Yan-Hua Huang The microstructure, thermal behavior, and mechanical properties of Sn-xZn-0.1RE (x = 5, 10, 20, and 30 wt%) alloys containing mixed trace rare earth elements were investigated in this study. The results showed that the alloys had the same...

... mechanical properties nanoindentation In mechanics of materials, Young's moduli are the slopes of the linear parts in stress/strain curves under elastic deformation. Usually, large specimens (at least several millimeters) are subjected to uniform tensile load, and their global deformation...

... with the unreinforced polyester at all temperatures. The damage created by the impact reduces with decreasing temperatures, while the energy absorbed remains constant with temperature. 23 05 2018 29 01 2019 31 01 2019 glass fiber reinforced polyester low temperatures mechanical properties...

... behavior at all test temperatures. The directionality of flow stress and initial strain-hardening rates in stage III were discussed based on the Schmid factors of material. Mg alloy plastic anisotropy strain hardening mechanical properties Since magnesium is the lightest of all structural...

... machine and modified split Hopkinson pressure bar (SHPB). The experimental results show that the mechanical properties of NEPE propellant are both rate dependent and temperature dependent. With decreasing temperature or increasing strain rate, the modulus and rigidity obviously increase. Based...

... requires a meticulous understanding of the process and consequent mechanical properties of the welds in order to be used in the production of high performance components. The present work deals with an experimental campaign aimed at the evaluation of the mechanical properties of AA6060 T6 friction stir...

...M. K. Hossain; K. A. Imran; M. V. Hosur; S. Jeelani Composites used for marine applications are subjected to various environmental effects, such as moisture, temperature, UV radiation, and seawater. In this study, effect of seawater on the degradation of mechanical properties of conventional...

...G. C. Saha; T. I. Khan High velocity oxy-fuel spraying was used to develop a near-nanocrystalline coating from a duplex Co coated WC-17Co powder feedstock. A microstructural and mechanical property characterization of the coating with a similar microcrystalline coating of the same composition...

... mechanical properties strain hardening vickers hardness The vickers hardness alone does not include information regarding the pile-up or sink-in of the material close to the contact perimeter. Note that contrary to HV, the average contact area at maximum load p av contains the information...

...Shufeng Li; Hiroshi Izui; Michiharu Okano This paper discusses the dependence of the mechanical properties and microstructure of sintered hydroxyapatite (HA) on the sintering temperature and pressure. A set of specimens was prepared from as-received HA powder and sintered by using a spark plasma...

... at 1050 ° C for an hour. The microstructure and phase analyses of the specimens were conducted using electron scanning microscopy and X-ray diffraction. The mechanical properties of the specimens were determined in terms of the ASTM Standard Test Method for Tension Testing of Metallic Materials (E8-96...

... by hot extrusion. The results show that the monolithic and the reinforced magnesium materials have minimal porosity and the reinforced magnesium materials have fairly well distributed nanosized SiC and Si C + Al 2 O 3 particles in the matrix. The thermo-mechanical property measured in terms...