[PDF] Top 20 Aging Effect of Mg Sc Alloy with α+β Two Phase Microstructure

... fine α precipitations in the ...the α phase, while brighter contrast region indicates β ...the α+β two-phase mi- crostructure ...in β phase of the ... See full document

... processing texture which results in an apparent micro- structural change on the overall cross-section, the failure behavior of friction stirred specimens along the cross- sectional direction should be closely correlated ... See full document

... Ti17 alloy tested are shown in Figure ...Ti17 alloy has superb strength the microstructure could be significantly optimized via thermomechanical ...the aging temperature is 540 ◦ C, the ... See full document

... constant α can be defined as a reciprocal of the flow stress which indicates where the flow stress – strain rate relationship changes from a power to an exponential relationship ...of α in hot deformation, ... See full document

... after aging process. In addition, in both Figs. 7(d) and 8(d), two different ½ variants are ...the microstructure of the needle-like structure in the metallography of samples aged at 673 K for ... See full document

... of α+β zone, to reduce the diameter into 10 ...titanium alloy is ...at two different temperature, namely 750 °C and 650 °C for 30 min. (in the α-β phase field) and then ... See full document

... ¡ phase in the STA samples treated at 823 and 923 K are shown in ...¡ phase precipitated in the STA samples for both the aging ...¡ phase in the HPTA samples treated at 823 and 923 ...after ... See full document

... either two aging treatments, T6 (peakaged) and T7 (overaged) or the improve- ment SCC susceptibility of the RRA ...and Two-Step) to compare with the mechanical properties and stress corrosion ... See full document

... the α+β region (923–1123 K) in the alloys with 6–10 mass% V, due to V enrichment in the β phase during heat ...low-cost α+β type Ti alloy of composition Ti-4 mass% ...this ... See full document

... TRIP effect of the retained β phase during tensile deformation, as well as microstructure refinement resulted from the decomposition of α martensite to fine α and β phases ... See full document

... of Mg-10Al-1Zn were compared with those from Mg-10Al-5Ca-2Zn composite ...and phase distribution while Vickers hardness tester was used to determine the hardness of these composite ...of ... See full document

... Abstract: Aluminum alloys can be used in the fabrication of intricate geometry and curved parts for a wide range of uses in aerospace and automotive sectors, where high stiffness and low weight are necessitated. This ... See full document

... CaMgSn phase in grain interior. This means that primary CaMgSn phase can affect negatively on the tensile ...CaMgSn phase, rapidly solidified specimen by injection casting was prepared for mechanical ... See full document

... Maisonnette et al. (2011) mentioned that 6061 aluminum was introduced to fulfill the necessity for medium-strength heat-treatable aluminum which is tough but easily welded and joined or anodized. It is the most versatile ... See full document

... 5.8%Mg­0.3%Sc­0.4%Mn­0.2%Si­0.1%Fe alloy. The dis- tribution of the ¢-phase particles developed during ECAP at 473 K is shown in ...of Mg in solid solution increases rapidly from about 3 to about ... See full document

... In Figure 12, Vickers macrohardness determinations for samples aged at 1123K and different times are pre- sented. As it can be seen, Vickers hardness gradually increases to a maximum value and then remains constant until ... See full document

... Recently, shape memory and superelastic behavior have been reported in many Ni-free Ti alloys, such as Ti-Mo- Al, 1) Ti-Nb-Sn, 2,3) Ti-Mo-Ga, 4) Ti-Nb-Al, 5,6) Ti-Nb 7) and Ti- Nb-Zr-Sn 8) to substitute for TiNi shape ... See full document

... an aging treatment was performed to investigate the microstructures and mechanical properties of ...(LZ101) alloy. Experimental results show that the LZ101 Mg-Li alloy exhibits a ... See full document

... solute atom complexes reduce the mobility and availability of solute atoms at low temperature to form G P zones. Hence hardening takes place only at a temperature high enough to decompose the complexes thereby making ... See full document

... these two kinds of clusters were different from each ...the alloy was aged at room temperature after pre-aging at 363 K, one could expect the formation of another type of clusters that were different ... See full document