COST 507 - Repositório Aberto da Universidade do Porto

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[96Jac/Spe]. Futhermore thermal conductivity and specific heat capacity measurements were carried out on quaternary Al-Ti-Cu-Ni alloys. 2 Storage of the thermophysical data in the data base THERSYST Collection and evaluation of the publications dealing with thermophysical properties of light metal alloys, started in the 1st round of the COST507 project, have been continued. New data published in the literature were found by recherche in the literature data banks METADEX and INIS. Also data measured by partners of the Group D (GR2 -University of Tessaly, F1 - CNRS Marseille) were entered into THERSYST. The actual status of the data base: 1489 data-sets on 158 different alloys and metal matrix composites. 590 data-sets of this collection are referring to the properties describing the heat transport phenomena of 73 industrial alloys, i.e. their thermal conductivity, thermal diffusivity and electrical conductivity. Heat transport in alloys belongs to the most complex process and it is very difficult to predict thermal conductivity especially for highly alloyed materials. Analysis of experimental data of commercial wrought aluminium alloys made by Olafsson [960la] allowed him to present a model for calculating electrical resistivity at room temperature. This model based on Mathiessen's rule and on thermodynamical calculations gives good agreement with experimental data for AlCu- and AIMgSi-alloys, except for AlCu-alloys with higher Cucontent and no magnesium, and for AIMgSi-alloys with chromium. For highly alloyed materials especially cast alloys large discrepancies are expected. Therefore it is very important to collect reliable experimental data. 3 Experimental investigations 3.1 Materials Aluminium-silicon-based alloys were supplied as casts by Kolbenschmidt AG. Their chemical compositions are given in Tab.1. All alloys were solution heat treated at 500°C, water-quenched and aged at different conditions to achieve defined metallurgical states. Tab.1 Chemical composition (wt%) of Al-Si-based industrial alloys Alloy Si Cu Mg Ni Mn Fe others (Ti,Zn,Pb,Sn) KS1275.1 10.76 1.00 0.97 0.91 0.18 0.42 0.07,0.07,0.02,0.02 KS270 9.49 2.64 0.86 0.01 0.03 0.19 0.05,0.01,0.01,0.01 KS226 8.44 3.09 0.49 0.05 0.39 0.60 0.09,0.46,0.08,0.02 KS1295 13.46 3.71 0.87 2.18 0.45 0.55 0.05,0.08,0.01,0.01 KS1275 13.04 1.01 0.89 0.79 0.11 0.60 0.06,0.12,0.03,0.03 KS281.1 18.56 0.99 0.98 0.79 0.10 0.59 0.06,0.10,0.02,0.02 104 -
Tab.2 Chemical composition of ternary Al-SI-Zn alloys alloy mole % wt% Al SI Zn Al SI Zn 1 76.46 4.40 19.14 60.01 3.59 36.40 2 72.73 9.08 18.19 57.61 7.49 34.90 3 60.82 18.69 21.49 46.81 14.98 38.21 6 39.13 1.02 59.85 21.13 0.57 78.30 7 83.83 5.04 10.13 74.02 4.58 21.40 8 79.89 9.97 10.14 69.57 9.04 21.39 9 11.73 0.05 88.22 5.20 0.02 94.78 10 90.19 4.71 5.10 83.93 4.56 11.51 11 58.51 1.00 40.49 37.11 0.66 62.23 12 55.84 4.66 39.50 35.70 3.10 61.20 13 53.28 10.64 36.08 35.10 7.30 57.60 Ternary aluminium-silicon-zinc alloys were cast by Vereinigte Aluminium Werke Bonn. Their chemical compositions (in mole and weight%) are shown in Tab.2. Quaternary Ti-AI-Cu-Ni alloys have been prepared by partner RU1 (Baikov Institute of Metallurgy, Russian Academy of Sciences, Moscow). The elements were molten three times in an arc-beam furnace under an argon atmosphere. The chemical composition of the alloys has been investigated by means of REM/EDX by partner D11 (MPI, Stuttgart.Germany) Tab3. Chemical composition (wt%) of quaternary Ti-AI-Cu-Ni alloys Alloy Ti Al Cu Ni Ti-1 72.6 9.9 5.0 13.2 Ti-2 54.9 8.2 10.9 26.0 Ti-3 57.2 6.4 4.3 32.0 Ti-4 57.7 13.3 5.7 23.3 Ti-5 55.8 14.1 4.6 25.5 - 105 -
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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
Page 57 and 58: Al Phase Relations in the Aluminium
Page 59 and 60: oundaries of the single phase regio
Page 61 and 62: Table 1 : Crystallographic Data of
Page 63 and 64: order to facilitate the evaluation
Page 65 and 66: (especially around 33 at% Mg) in or
Page 67 and 68: 3.System Ti-Sn-Al-N. The investigat
Page 69 and 70: 6) N.Durlu, U.Gruber, M.Pietzka, H.
Page 71 and 72: Summary of final report Directional
Page 73 and 74: calculate the thermodynamic mixing
Page 75 and 76: Introduction It is the aim of this
Page 77 and 78: Thermodynamic evaluations for high
Page 79 and 80: Figure 5 presents the calculated li
Page 81 and 82: There is a complete lack in the lit
Page 83 and 84: a.B5 ø.ia 0.15 0.20 0.25 0.30 0.35
Page 85 and 86: 700 [53Phi] 800 +[90Kuz21 ]iquld a
Page 87 and 88: Thermodynamic Assessments, Experime
Page 89 and 90: AIN and TiNi_ x is also given. Vari
Page 91 and 92: satisfied the three requirements of
Page 93 and 94: 84Bey R. Beyers, R. Sinclair, and M
Page 95 and 96: Material and Methods 2.1 Fabricatio
Page 97 and 98: 3.4 Electronmicroscopy (SEM) and X-
Page 99 and 100: Tab. 3: Density of the Ti20Albase
Page 101 and 102: Tab.5. continued TÌ20A1 5CulONi Ti
Page 103 and 104: Fig. 3: ESMA and Xray diffraction
Page 105 and 106: Fig.7: Wetting angle of Ti 15A1 lOC
Page 107: Thermophysical Properties of Light
Page 111 and 112: 700 (AI)+AIFeS¡«_600 KS1275.1 l
Page 113 and 114: 4.2 Thermal conductivity of industr
Page 115 and 116: 4.3 AlSiZn alloys Electrical re
Page 117 and 118: 94Jar/Bra G.Jaroma-Weiland, R.Brand
Page 119 and 120: MgZn9 (C 14) and Mg2Zn u in the Al
Page 121 and 122: The three Laves phases were describ
Page 123 and 124: References [13Ege] G. Eger, Z. Meta
Page 125 and 126: 0.30 0.35 0.40 0.45 0.50 mole fract
Page 127 and 128: □ [48Koe] 600 500 400 0 0.1 0
Page 129 and 130: MggZn,, this work □ Single phase,
Page 131 and 132: Temperatures in °C 0.05 0.10 mole
Page 133 and 134: Table 2 : Alloy compositions Alloy
Page 135 and 136: All. Dy 50 Cpexp °C Cpadd Table 5
Page 137 and 138: Zn ¿Kl Si Fig. 2 : Position of the
Page 139 and 140: 22.5 ■■ 7.5 Temperature ICI Tem
Page 141 and 142: .to 2.5 "lõõ soo iÍOõ dOõ rtõ
Page 143 and 144: GR2 Differential Scanning Calorimet
Page 145 and 146: Time (x10 3 sec) Fig. 1. DSC Thermo
Page 147 and 148: solidification. It can be seen that
Page 149 and 150: 4. Conclusions Differential scannin
Page 151 and 152: COST 507 - ROUND Π UNIT II SEZIONE
Page 153 and 154: [96Sac] The Rrich regions of the
Page 155 and 156: List of publications in the framewo
Page 157 and 158: 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
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Binder et al (1992) TiN 1423 K ■
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0.08 600°C 700°C 800°C 900°C 10
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[59Sto]: Ä600°C □ 70D°C O8Q0°
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2000 Cale, with Saunders (1997) —
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An Experimental Investigation of th
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An Experimental Investigation of th
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EXPERIMENTAL INVESTIGATION OF THE C
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Fig.1 SEM micrographs of CuMgZr
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■ 888 24 HSM^«" 16—19 3 À I
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Thermodynamic Evaluations of the Al
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Fcc_Al aves_C15 ONU ΔΝ12 αΝ13
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2.2 Assessment The optimisation of
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0.50 0.45 CulOZr7/ 0. 40 Or ^ 0.3
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References [71Kri] Kripyakevich, P.
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Kejun Zeng and Marko Hämäläinen,
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for detennining phase boundary and
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Table 2 Al-Fe-Mn results wt%Fe 0.5
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•00 Γ Ι I I I ~ LIQUID S^ 7iO
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the observed A2-B2 ordering. This p
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1473K Ahmed & Flower [94 Ahmi] 0.2
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900K Paruchuri & Massalski [91Par]
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BCC_B2#2 TI3RL TIPL BCC B2#2 TIRL
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0.2 0.3 0.4 0.5 X(LIQ,V) Figure 15
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1 Introduction and Overview of the
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at least 95% by Fe, possibly 99%, a
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8 References 43Phi H W L Phillips,
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1050 1000 Isopleth, Al - Si - 4 wt
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Al-Mn-Si 873 K 0.90 Liquid 0.80 0.7
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A Thermochemical Assessment of Data
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certainly due to the appearance of
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Materials Science Centre, November
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1400 Al-Mn Fig 2 Calculated partial
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1000 ι AlMn I Ι 950 Liquid E ω
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Al-Fe-Mn 843 K 0.90 0.80 0.70 0.60
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AlFeMn section at 2 wt% Mn co
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0.50 0.45 0.40-1 LU £ 0.35 LU 0.30
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European Commission EUR 18171 —CO
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NOTICE TO THE READER Information on
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