Search results

Table 1: Chemical composition of Inconel 625 alloy processed through VIM +ESR route C Mn Si Cr Fe Mo Nb S P Co Ti Al Ni Aimed 0.1 max 0.5 max 0.5 max 20-23 5.0 max 8-10 3.15-4.15 0.015 max 0.015 max 1.00 max 0.4 max 0.4 Bal Achieved 0.08 0.02 0.08 20.9 0.93 9.0 4.0 0.01 0.01 0.01 0.2 0.18 Bal 100μm 100μm b a Fig. 1: Optical microstructure of Inconel 625, a. as-forged, b. forged + annealed Table 2: Mechanical properties of the Inconel 625 Property 0.2% PS MPa UTS MPa % El (50mm G.L) Aimed (min.) 414 827 30 Achieved 456-487 825-849 47-49 4.0 Conclusions Processing of Ni based superalloy Inconel 625 was carried out through vacuum induction melting followed by electroslag refining route.

On the other hand, EDX analysis revealed that there is no distinct composition difference for the dark and gray strip like phase within the dendrite, with a slightly more Al in the darker area and slightly more Ti in the lighter area.
Huang, E.L.

The hot-rolled AZ80 alloy sheet (mass fraction: Al 8.5%, Zn 0.67% Mn 0.32%, balance Mg) was cut into rectangular samples with dimensions of 30 mm×20 mm×4 mm.
El Mahallawy, A.

Fig. 4 Acceleration time history of El Centro ground motion Time (s) The input motion for dynamic analysis of structure is EI Centro wave.
A, Caughey T K, et al: Structure control: past, present, and future.

Table 1: Chemical composition of the superinvar Element C S P Si Mn Cr Ni Co Fe Al Spec. 0.05 max 0.015 max 0.015 max 0.25 max 0.60 max 0.25 max 31-32 5-6 Bal 0.1 max Actual 0.002 0.0026 <0.005 0.01 0.026 0.01 31.26 5.59 Bal 0.05 Mechanical properties and physical properties are presented in Table 2.
Austenitic microstructure of superinvar, b. fractograph showing dimples in tensile tested specimen’s fracture surface Table 2: Chemical composition of the superinvar Heat no. 0.2% PS (Kg/mm2) UTS (Kg/mm2) % El BHN CTE Thermal conductivity Young’s Modulus Aimed 28-32 44-48 35-45 120-130 <0.6 ppm (250-1000C) 10-12 W/m-K 136 GPa Forged + Annealed 29-31 45 35-38 126 0.5 ppm 10.88- 12.5 W/m-K 137-138 Rolled + Annealed 30.4-30.7 44.6 43 129 0.5 ppm 137-138 4.0 Conclusions Processing of ultralow coefficient of themal expansion alloy superinvar was carried out through vacuum induction melting route using virgin raw materials.

A FTIR spectrometer (VERTEX–70, Bruker, Germany, Scanning range 4000–400 cm-1), a scanning electron microscope (PHILIPS XL30 TMP, Netherlands) and an elemental analyzer (Vario EL III, ELEMENTAR, Germany) were used in this study.
The FTIR spectrum of PAFC shows a –OH peak corresponding to Al–OH, Fe–OH and H–OH stretching at 3404 cm-1, indicating the presence of hydroxide groups [4].

Al-kamali, M.I.
Abd El-Samie, ”Uplink Single-carrier Frequency Division Multiple Access System with Joint Equalisation and Carrier Frequency Offsets Compensation,” IET Communications. vol. 5, no. 4, pp. 425-433, Mar. 2011

References [1] Mechanical Optimization Design, Chen Lizhou, et al., Shanghai Science & Technology Press, Shanghai, 1982 [2] Theory of Machines and Mechanism (the fourth edition), Sun Heng and Fu Zeshao, Higher Education Press, Beijing, 1989 [3] Foundation of Mechanical Design (the fifth edition), Yang Kezhen, el at., Higher Education Press, Beijing, 2006 [4] Methodology in Fuzzy Mathematics, Wang Caihua and Song Liantian, China Architecture & Building Press, Beijing, 1988

According to Kataoka et al., [11] if the Kratky plots present a plateau (which is the case) the particles most probably are fibrillar.
El Hadigui, S.

This result agrees with the results of Bahadur et al. who studied osmotic dehydration of carrot cubes.
El-Aouar, P.M.