COST 507 - Repositório Aberto da Universidade do Porto

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Table 1 Invariant points in Al-Mn-Si Phase assemblage T C Liquid compositions wt % Reference w(Mn) w(Si) liq + beta AlMnSi + ALMn + Al 4 Mn 703.9 690 690 690 4.32 3.8 4.5 4.5 0.29 0.7 0.5 0.5 Calculated [76Mon] [61 Phi] [93Pri] liq + beta AlMnSi + Al 6 Mn + C alpha 644.4 657 655 655 2.50 2.8 2.65 2.6 0.72 1.6 1.6 1.6 Calculated [76Mon] [61 Phi] [93Pri] liq + fcc + C alpha + ALMn 653.9 648 649 649 2.09 2.5 2.0 2.0 0.69 1.5 1.28 1.2 Calculated [76Mon] [61 Phi] [93Pri] liq + fcc + C alpha + diamond 576.4 574 573 0.35 1.0 0.75 12.57 12.0 11.75 Calculated [76Mon] [61 Phi] The calculated isopleths for 4 wt% Si and 4 wt% Mn are given in Figs 1 and 2 and the calculated liquidus projection is shown in Fig 3. A calculated partial isothermal section for 600 °C is compared with experimental data from Thornton [95Tho] in Fig 4 and the calculated fcc solvus is compared with the experimental data of Kolby et al [94Kol/Sig] in Fig 5. It will be seen that the current assessment gives a good representation of those data in which we have the highest confidence. A reassessment should be carried out when additional phase equilibria and thermodynamic information on the cubic-alpha and beta phases becomes available. 7 Acknowledgements The authors gratefully acknowledge valuable discussions with Dr Paul V Evans and Martin C Thornton (Alean International Ltd), Dr Christophe Sigli (Pechiney) Dr Christian Simensen (SINTEF) Dr J E Tibballs (University of Oslo) and Dr F H Hayes (University of Manchester/UMIST). - 250 -
8 References 43Phi H W L Phillips, J Inst Metals, 1943, 69, 275-316. 48Axo/Hum H J Axon, W Hume-Rothery, J Inst Metals, 1948, 74, 315-329. 51Pra/Ray J N Pratt, G V Raynor, Proc Roy Soc 1951, 205A, 103-118. 59Phi H W L Phillips, Annotated Equilibrium Diagrams of Some Aluminium Alloys Systems, The Institute of Metals, London, (1959), Monograph and Report Series, No 25, pp 77-83. 61Phi H W L Phillips, Equilibrium Diagrams of Aluminium Alloys Systems, The Aluminium Development Association, London, (1961), pp 109-112. 76Mon L F Mondolfo, Al Alloys; Structure and Properties, Butterworths, London & Boston, 1976. 88Zak/Gul A M Zakharov, I T Guldin, A A Arnold, Yu A Matsenko, Izv Vyss Uchebn Zaved Tsvetn Metall, 1988, (2), 90-94. 90RedVTib K Redford, J E Tibballs, R McPherson, Thermochim Acta, 1990, 92Jan 93Cha 93Pri 94Ans 94Kol/Sig 95Tho 96Hay/Rob 96Sim 96Tib 96Tho 97Leg 97Jan/Cha 97Rob/Hay 158, 115-123. A Jansson, Metall Trans A, 1992, 23A, 2953-2962. G A Chadwick, Progress Report to COST 507 Coordination Group C, March 1993. A Prince, Aluminium-Manganese-Silicon in Ternary Alloys, Ed G Petzow and G Effenberg, VCH Weinheim & New York, 5, 110- 128 (1993). I Ansara, Thermochemical Database for Light Metal Alloys, COST 507, Concerted Action on Materials Sciences, European Commission, DG XII, Luxembourg, 1995 Kolby Ρ, Sigli, C, Simensen, C J, in Aluminium Alloys; Their Physical and Mechanical Properties, 4th International Conference on Aluminium Alloys, Ed Τ Η Sanders Jr and E A Starke Jr (1994). M C Thornton, Alean International Ltd, Banbury Laboratory, Private Communication, July, 1995. F H Hayes, J A J Robinson, Private communication, August 1996. C J Simensen, SINTEF, Private communication May 1996. J E Tibballs, Oslo University, Private communication, September 1996. M C Thornton, Alean International Ltd, Banbury Laboratory, Private Communication, May, July and August, 1996. B. Legendre, Private Communication to Per Kolby, March 1997 A Jansson, T G Chart, A Thermochemical Assessment of Data for the Al-rich corner of the Al-Fe-Mn System, and a Revision of Data for the Al-Mn System, Proceedings of COST 507 Final Workshop, Vaals, The Netherlands, March 1997, European Commission, DG XII, Luxembourg. J A J Robinson, F H Hayes, A Semeeis, F Weitzer, Ρ Rogl, Smith Thermal Analysis Studies of the Al-rich Portion of the Al-Mn and Al-Mn-X (X = Fe, Si) Systems, Proceedings of COST 507 Final Workshop, Vaals, The Netherlands, March 1997, European Commission, DG XII, Luxembourg. 251 -
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European Commission COST European c
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European Commission COST European c
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Preface The Final Workshop of the C
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COST 507 STRUCTURE Measurement and
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GRl: Mirtee S.A., Volos Mr.P.Polati
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D9 Dll Fl GR2 II NI S3 SF1 "Thermop
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A Summary of the COST 507 Action an
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Aluminium-based systems Titanium-ba
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An Example using the COST 507 Datab
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Appendix COST 507: Some Key Meeting
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Al - 0.5 Fe, 1 Mg, 0.8 Mn, 0.2 Si (
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Fig 4 Aluminium beverage cans. The
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Fig 6 High pressure compressor vane
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INTRODUCTION All of us are aware of
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In the interaction with materials a
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There was a first warning more than
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Some time ago, the well-known physi
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Today there is a whole range of ins
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The dimension of this reservoir inc
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REFERENCES [ 1 ] G. Petzow, "Man, M
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Trends in Application of Materials
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Raw Materials The Cycle of Material
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i LÌ i.'»Af·· iù^ VV.V.X. iTTa
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1600 OJ 1200 .« 1100 d 1000 900 Si
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Al Phase Relations in the Aluminium
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oundaries of the single phase regio
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Table 1 : Crystallographic Data of
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order to facilitate the evaluation
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(especially around 33 at% Mg) in or
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3.System Ti-Sn-Al-N. The investigat
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6) N.Durlu, U.Gruber, M.Pietzka, H.
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Summary of final report Directional
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calculate the thermodynamic mixing
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Introduction It is the aim of this
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Thermodynamic evaluations for high
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Figure 5 presents the calculated li
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There is a complete lack in the lit
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a.B5 ø.ia 0.15 0.20 0.25 0.30 0.35
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700 [53Phi] 800 +[90Kuz21 ]iquld a
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Thermodynamic Assessments, Experime
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AIN and TiNi_ x is also given. Vari
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satisfied the three requirements of
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84Bey R. Beyers, R. Sinclair, and M
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Material and Methods 2.1 Fabricatio
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3.4 Electronmicroscopy (SEM) and X-
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Tab. 3: Density of the Ti20Albase
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Tab.5. continued TÌ20A1 5CulONi Ti
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Fig. 3: ESMA and Xray diffraction
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Fig.7: Wetting angle of Ti 15A1 lOC
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Thermophysical Properties of Light
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Tab.2 Chemical composition of terna
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700 (AI)+AIFeS¡«_600 KS1275.1 l
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4.2 Thermal conductivity of industr
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4.3 AlSiZn alloys Electrical re
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94Jar/Bra G.Jaroma-Weiland, R.Brand
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MgZn9 (C 14) and Mg2Zn u in the Al
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The three Laves phases were describ
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References [13Ege] G. Eger, Z. Meta
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0.30 0.35 0.40 0.45 0.50 mole fract
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□ [48Koe] 600 500 400 0 0.1 0
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MggZn,, this work □ Single phase,
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Temperatures in °C 0.05 0.10 mole
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Table 2 : Alloy compositions Alloy
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All. Dy 50 Cpexp °C Cpadd Table 5
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Zn ¿Kl Si Fig. 2 : Position of the
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22.5 ■■ 7.5 Temperature ICI Tem
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.to 2.5 "lõõ soo iÍOõ dOõ rtõ
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GR2 Differential Scanning Calorimet
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Time (x10 3 sec) Fig. 1. DSC Thermo
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solidification. It can be seen that
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4. Conclusions Differential scannin
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COST 507 - ROUND Π UNIT II SEZIONE
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[96Sac] The Rrich regions of the
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List of publications in the framewo
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2Contributions: oral or posters p
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1996 REPORT 2 s ' PART: ACTIVITY CA
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[96Sei] Excess Gibbs energy coeffic
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List of publications in the framewo
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Proc. :7 th Meeting on "Syntheses a
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2.1 Solid solubility measurements T
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eviews by Rivlin and Raynor [81 Riv
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inaires. Thesis, Universite Scienti
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Table 1. Review of the ternary phas
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L) Liq+bcc=FeSi+t_1 M) Liq+t 1=FeSi
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Extrapolations based on Ti-C-N S3 B
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value has been accepted in all thre
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with high precision whereas Jonsson
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only fit the hightemperature asym
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Jonsson combined his descriptions o
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Table II. Solubility product of TiC
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Ti-C, Z.Metallkd. 86 (1995) 5 319
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1000 1500 2000 2500 3000 Τ (K) Fig
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o Oí o 3 4 5 6 7
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M^øD^ O Kelley(1944) • Kelley an
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— cale, with Dumitrescu (1997) -
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€ gfc-π m-, .-π-, π-π .-saa J
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+graph 0 TiN 0.2 0.4 0.6 X TiC 0.8
Page 203 and 204: Binder et al (1992) TiN 1423 K ■
Page 205 and 206: 0.08 600°C 700°C 800°C 900°C 10
Page 207 and 208: [59Sto]: Ä600°C □ 70D°C O8Q0°
Page 209 and 210: 2000 Cale, with Saunders (1997) —
Page 211 and 212: An Experimental Investigation of th
Page 213 and 214: An Experimental Investigation of th
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Page 217 and 218: EXPERIMENTAL INVESTIGATION OF THE C
Page 219 and 220: Fig.1 SEM micrographs of CuMgZr
Page 221 and 222: ■ 888 24 HSM^«" 16—19 3 À I
Page 223 and 224: Thermodynamic Evaluations of the Al
Page 225 and 226: Fcc_Al aves_C15 ONU ΔΝ12 αΝ13
Page 227 and 228: 2.2 Assessment The optimisation of
Page 229 and 230: 0.50 0.45 CulOZr7/ 0. 40 Or ^ 0.3
Page 231 and 232: References [71Kri] Kripyakevich, P.
Page 233 and 234: Kejun Zeng and Marko Hämäläinen,
Page 235 and 236: for detennining phase boundary and
Page 237 and 238: Table 2 Al-Fe-Mn results wt%Fe 0.5
Page 239 and 240: •00 Γ Ι I I I ~ LIQUID S^ 7iO
Page 241 and 242: the observed A2-B2 ordering. This p
Page 243 and 244: 1473K Ahmed & Flower [94 Ahmi] 0.2
Page 245 and 246: 900K Paruchuri & Massalski [91Par]
Page 247 and 248: BCC_B2#2 TI3RL TIPL BCC B2#2 TIRL
Page 249 and 250: 0.2 0.3 0.4 0.5 X(LIQ,V) Figure 15
Page 251 and 252: 1 Introduction and Overview of the
Page 253: at least 95% by Fe, possibly 99%, a
Page 257 and 258: 1050 1000 Isopleth, Al - Si - 4 wt
Page 259 and 260: Al-Mn-Si 873 K 0.90 Liquid 0.80 0.7
Page 261 and 262: A Thermochemical Assessment of Data
Page 263 and 264: certainly due to the appearance of
Page 265 and 266: Materials Science Centre, November
Page 267 and 268: 1400 Al-Mn Fig 2 Calculated partial
Page 269 and 270: 1000 ι AlMn I Ι 950 Liquid E ω
Page 271 and 272: Al-Fe-Mn 843 K 0.90 0.80 0.70 0.60
Page 273 and 274: AlFeMn section at 2 wt% Mn co
Page 275: 0.50 0.45 0.40-1 LU £ 0.35 LU 0.30
Page 279: European Commission EUR 18171 —CO
Page 284: NOTICE TO THE READER Information on
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