Due to their prominent properties (mechanical, stiffness, strength, thermal stability), ceramic composite materials (CMC) have been widely applied in automotive, industrial and aerospace engineering, as well as in biomedical and electronic devices. Because monolithic ceramics exhibit brittle behaviour and low electrical conductivity, CMCs have been greatly improved in the last decade.
Improvement of Microstructure, Mechanical Property and Apr 03, 2020 · The microstructure, mechanical property and corrosion behavior of gravity casting and centrifugal casting Mg9Li3Al1Ca alloy were investigated. The results indicate that the Mg9Li3Al1Ca alloy is mainly composed of -Mg phases, -Li phases and Al2Ca phases. After centrifugal casting, the blocky and elongated -Mg phases of the gravity casting alloy can be refined
Aug 01, 2012 · However, the corrosion resistance and mechanical properties should be improved to meet the requirement of the biodegradable implants, such as plates, screws and cardiovascular stents. In the present study, double extrusion process was adopted to refine microstructure and improve mechanical properties of Mg2.25Nd0.11Zn0.43Zr and Mg2
Improvement of mechanical properties of extruded High mechanical strength was maintained with an improvement in ductility when increasing the solution treatment temperature up to 510 °C. The extruded alloy solution-treated at 510 °C exhibited a superior balance between mechanical strength and ductility, with a high ultimate tensile strength of 367 MPa and a good elongation of 16.8%.
Improvement of mechanical properties of hot extruded Improvement of mechanical properties of hot extruded and age treated MgZnMnCa alloy through Sn addition Author links open overlay panel Xia Chen a b Dingfei Zhang a b Junyao Xu a b Jingkai Feng a b Yang Zhao a b Bin Jiang a b Fusheng Pan b c
spheroidized annealing conditions to improve the mechanical properties of steel wires for cold forming. The results show that the spheroidized annealing temperature and prolonged heating time have the greatest effect on the mechanical properties of steel wires. A comparison between the results
Improvement of the Mechanical Properties of 1022 Carbon Improvement of the Mechanical Properties of 1022 Carbon Steel Coil by Using the Taguchi Method to Optimize Spheroidized Annealing Conditions Yang, Chih-Cheng Liu, Chang-Lun
Improvement of the Mechanical Properties of AZ91D Structural and mechanical behavior of thin hydroxyapatite (HA) films deposited via radio-frequency magnetron sputtering on AZ91D magnesium alloy was investigated. Nanoindentationwas employed to evaluate nanohardness and Youngs modulus of the uncoated and HA-coated AZ91 magnesium alloy. The HA-coated AZ91D magnesium alloy exhibited a higher hardness of 7.1 GPa and a higher
The MOR, MOE, and CS of the modified wood increased with the increase of IBOMA concentration. These results indicated that improvement of the mechanical properties in the wood samples can be attributed to the efficient filling of IBOMA and to the modification treatment only at low temperatures.
Investigating the Effect of Cementite Particle Size and The global mechanical properties of a material depend upon the mechanical behavior of grains of phases present in it. [10, 11] After spheroidization of C45EC steel with 0.45% carbon, the cementite grain size is usually small, i.e., in the range of 0.42.5 m. Despite its small size, its shape and distribution in the ferrite matrix
Microstructure and mechanical properties during The average reduction in the hardness values for the same annealing time was 7% between 400°C and 500°C, 25% between 500°C and 600°C, and finally, 28% between 600°C and 700°C. The changes in the microstructure during the heat treatment reflected in the mechanical properties.
, spheroidized annealing temperature and prolonged heating time are the significant factors, however, for wire W B, spheroidized annealing temperature and furnace cooling time are the significant factors to influence the mechanical properties of steel wires. Keywords:spheroidized annealing, forming quality, tensile strength, Taguchi method. 1.
Optimization of Spheroidized Process Parameters for Figure 1. The spheroidized annealing procedure. Four process parameters with three levels listed in Table 2 are selected as the experimental factors. Every factor has three levels to spheroidize wires to evaluate the mechanical properties of wires. The parameters of Level 2 were the original spheroidized annealing process parameters for wires W
Optimization of Spheroidized Process Parameters for Taguchi method is used to optimize spheroidized annealing conditions to improve the mechanical properties of two AISI 1022 low carbon steel wires, which are obtained from two sources identified as W. A ( 5.5mm)  and W. B. 6.5mm). The quality of wire W. A.
EN 1.4123 +AC steel is EN 1.4123 stainless steel in the spheroidized condition. The graph bars on the material properties cards below compare EN 1.4123 +AC steel to:wrought martensitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set.
The Inspection of Spheroidized Annealing on SCM435 In this study, the spheroidized annealing experiments on SCM435 alloy steel wires are conducted in a commercial bell furnace with a protective atmosphere of nitrogen or hydrogen. The mechanical properties of annealed steel wires are measured by tensile and Rockwell hardness tests and the process capability is evaluated.
The Tensile Properties of Pearlite, Bainite, and A great many photomicrographs from one specimen with uniform and coarse, well developed pearlite, were available from a study current in Fig. 14 Mechanical properties versus mean uninterrupted ferrite path for all pearlitic steels and spheroidized Steel B (0.80 carbon, 0.74 manganese).
Jan 19, 2016 · The induction spheroidization accelerated the formation of spherical cementite particles and effectively softened the steel. The volume fraction of cementite was found to be a key factor that affected the mechanical properties of spheroidized steels. Further tests showed that sequential spheroidization by induction and furnace heat treatments enhanced elongation within a short spheroidization time, resulting in better mechanical properties.