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Abstract

We calculate the electronic properties of austenite and martensite Fe-9%Mn alloys using the self consistent full-potential linearized-plane-wave method under the generalized gradient approximation full lattice relaxation. By minimizing total-energy, the lattice constants in their ground states were determined. We discuss the total energy dependence of the volume, and density of states (DOS).

Abstract

Turbine blades are one of the key components in a typical turbofan engine, which plays an important role in flight safety. In this paper, we establish a establishes a three-dimensional finite element model of the turbine blades, then analyses the strength of the blade in complicated conditions under the joint function of temperature load, centrifugal load, and aerodynamic load. Furthermore, contact analysis of blade tenon and dovetail slot is also carried out to study the stress based on the contact elements. Finally, the Von Mises stress-strain distributions are obtained to acquire the several dangerous points and maximum Von Mises stress, which provide the basis for life prediction of turbine blade.

flow, an important manifestation of dynamic strain ageing. At all temperatures, thick section tubeplate forging exhibited lower strength and higher ductility values compared to nor- malised and tempered steel. The inferior strength values were attributed to coarse microstructure of the forging. Keywords. Ferritic steel, tubeplate forging, tensile proper- ties, coarse lath martensite, serrated yielding. PACS®(2010). 62.20 F-, 81,40.Lm, 62.20.D-, 81.40.Jj. 1 Introduction Ferritic 9Cr-1Mo steel and its modified versions are impor- tant high temperature materials for

. Tato, J. Pharm. Sci. 85 (1996) 9. 10.1021/js950326j 8926591 Coello A. Meijide F. Nunez E. R. Tato J. V. J. Pharm. Sci. 85 1996 9 18. M. A. Hammad, B. W. Muller, Eur. J. Pharma. Biopharma. 46 (1998) 361. 10.1016/S0939-6411(98)00037-X Hammad M. A. Muller B. W. Eur. J. Pharma. Biopharma. 46 1998 361 19. B. Natalini, R. Sardella, A. Gioiello, F. Ianni, A. Michele, M. Marinozzi, J. Pharma. Biomed. Anal. 87 (2014) 62. 10.1016/j.jpba.2013.06.029 Natalini B. Sardella R. Gioiello A. Ianni F. Michele A. Marinozzi M. J. Pharma. Biomed. Anal. 87 2014 62 20. D. Kaushal, D

.M. Sargeson and A.W. Zanella, Inorg. Chem. 22, 11022—11029 (1983). 19. R.J. Geue, R. Pizer and A.M. Sargeson, Abs. 183, ACS National Meeting, Las Vegas 1982, INOR 62. 20. D. Geselowitz, Inorg. Chem. 20, 141457—141459 (1981). 21. P. Comba, L.M. Engelhardt, J.MacB. Harrowfield, A.M. Sargeson and A.H. White, J. Chem. Soc., Chem. Comm., in press. 22. J.D. Lydon and A.M. Sargeson, to be published. 23. B.L. Vallee and R.J.P. Williams, Proc. Nat. Acad. Sci. 59, 1498—505 (1968). 214. T.P.J. Garrett, J.M. Guss, S.J. Rogers and H.C. Freeman, J. Biol. Chem. 259, 2822—2825 (19811). 25

are reliable tests, and the only reliable tests, to distinguish NPs and PPs. 62 (20) d. Je travaille avec Pierre et (avec) le chef de la section I work with Peter and with the head of the section Ί work with Peter and the section head' (21) a. Je vois le probt me Je le vois I see the problem I it see Ί see the problem' Ί see it' b. J'ai ropondu la lettre J'y ai ropondu I have answered to the letter I to-it have answered Ί answered the letter' Ί answered it' c. Je pensais s roponse J'y pensais I was-thinking to her answer I to-it was-thinking Ί was thinking about her

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3912,03 30 4374,69 20 3572,73 30 4020,60 20 4400,63 20 3576,53 20 4023,88 30 4415,78 20 3614,00 30 4082,60 15 394 Die Spektralanalyse 7. G a d o l i n i u m . Material: Gadoliniumnitrat von E. D e m a r i j a y . Verunreinigungen: X, nach E x n e r . Linienzahl: 887. (3027,66) 2 (3646,30) 1 (4049,51) 1 3027,74 8 3646,36 15 4049,59 8 3033,00 8 3654,78 8 (4049,98) 1 3034,20 8 3656,31 8 4050,05 10 (3082,10) 1 3664,78 8 4063,62 20 d 3082,15 10 3671,39 10 4070,51 10 (3100,61) 1 3712,88 8 4073,99 10 3100,66 10 3719,63 10 4085,73 10 3350,63 8 3743,68 10

. F. in Berlin-Dahlem. Berlin-Zehlendorf, Elfriedenstr. 5. (Perleberg »f. 70.) V: D. wichtigsten Krankh. u. Schädl. d. Zierpflanzen 24. ZA: D. Flora d. Nordseeinsel Spieker­ oog (Niedersachsen 12) 07; Schmarotzer­ pilze au» Polen u. Masuren (CfB 2, 62) 20; D. Rostpilze (SorauerS Handb. d. Pflanzenkrankh), 4. A. 23; Schmarotzer­ pilzflora v. Saßnitz (Hedwigii 66) 26; Berchtesgadener Schmarotzerpilze (CfB 2, 70) 27; Pflanzenpatholog. Beobachtung, a. Gardasee (Gartenflora 76) 27. Laubmauu, Alfred, V, sp- Ornitho­ logie, Dr. phil., Prof., Konservator a. d. Zool