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Journal articles on the topic 'Aluminum Alloys Direct Chill and Fusion Casting'

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Published: 4 June 2021

Last updated: 15 February 2022

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1

Baserinia, Amir R., Etienne J. F. R. Caron, Mary A. Wells, David C. Weckman, Simon Barker, and Mark Gallerneault. "A Numerical Study of the Direct-Chill Co-Casting of Aluminum Ingots via Fusion™ Technology." Metallurgical and Materials Transactions B 44, no. 4 (2013): 1017–29. http://dx.doi.org/10.1007/s11663-013-9859-z.

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2

Du, Q., D. G. Eskin, and L. Katgerman. "Modeling Macrosegregation during Direct-Chill Casting of Multicomponent Aluminum Alloys." Metallurgical and Materials Transactions A 38, no. 1 (2007): 180–89. http://dx.doi.org/10.1007/s11661-006-9042-0.

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3

Drezet, J. M., and M. Rappaz. "Modeling of ingot distortions during direct chill casting of aluminum alloys." Metallurgical and Materials Transactions A 27, no. 10 (1996): 3214–25. http://dx.doi.org/10.1007/bf02663872.

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4

Eskin, Dmitry G., Qiang Du, and Laurens Katgerman. "Scale Rules for Macrosegregation during Direct-Chill Casting of Aluminum Alloys." Metallurgical and Materials Transactions A 39, no. 5 (2008): 1206–12. http://dx.doi.org/10.1007/s11661-008-9468-7.

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5

Eskin, Dmitry G., and Laurens Katgerman. "Effect of Structure on Hot Tearing Properties of Aluminum Alloys." Materials Science Forum 561-565 (October 2007): 995–98. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.995.

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Hot tearing is a significant problem upon direct-chill casting of high-strength aluminum alloys. The occurrence of hot cracks is related to the thermal contraction of the solid phase and to the lack of feeding by the liquid phase during solidification. It has been identified that structure features such as grain size and amount of nonequilibrium eutectics influence both phenomena involved in hot tearing. Experimental and computer-simulation results are presented for a range of model and commercial aluminum alloys. The results are obtained both during special small-scale experiments and during

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6

Zhiqiang, Cao, Jia Fei, Zhang Xingguo, Hao Hai, and Jin Junze. "Microstructures and mechanical characteristics of electromagnetic casting and direct-chill casting 2024 aluminum alloys." Materials Science and Engineering: A 327, no. 2 (2002): 133–37. http://dx.doi.org/10.1016/s0921-5093(01)01673-2.

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7

Li, Lei, Qingfeng Zhu, and Jianzhong Cui. "Electromagnetic Field Induced Structure Transition of Aluminum Alloys during Direct Chill Casting." MATERIALS TRANSACTIONS 58, no. 8 (2017): 1134–37. http://dx.doi.org/10.2320/matertrans.m2017071.

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8

Sakaguchi, Nobuhito. "Hot tearing in direct chill casting ingot of 7000 series aluminum alloys." Journal of Japan Institute of Light Metals 65, no. 10 (2015): 492–97. http://dx.doi.org/10.2464/jilm.65.492.

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9

Caron, Etienne J. F. R., Rosa E. Ortega Pelayo, Amir R. Baserinia, et al. "Direct-Chill Co-Casting of AA3003/AA4045 Aluminum Ingots via Fusion™ Technology." Metallurgical and Materials Transactions B 45, no. 3 (2014): 975–87. http://dx.doi.org/10.1007/s11663-013-0016-5.

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10

Tonry, Catherine E. H., Valdis Bojarevics, Georgi Djambazov, and Koulis Pericleous. "Contactless Ultrasonic Treatment in Direct Chill Casting." JOM 72, no. 11 (2020): 4082–91. http://dx.doi.org/10.1007/s11837-020-04370-7.

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Abstract Uniformity of composition and grain refinement are desirable traits in the direct chill (DC) casting of non-ferrous alloy ingots. Ultrasonic treatment is a proven method for achieving grain refinement, with uniformity of composition achieved by additional melt stirring. The immersed sonotrode technique has been employed for this purpose to treat alloys both within the launder prior to DC casting and directly in the sump. In both cases, mixing is weak, relying on buoyancy-driven flow or in the latter case on acoustic streaming. In this work, we consider an alternative electromagnetic t

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11

Bamberger, Menachem, and Esther Kiperwasser-Karbian. "Plasma Treatment Casting of Cast Aluminum 6XXX Wrought Alloys." Materials Science Forum 765 (July 2013): 200–204. http://dx.doi.org/10.4028/www.scientific.net/msf.765.200.

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The Plasma Treatment Casting (PTC) process is an advanced stirring process that stirs molten metals and alloys during solidification in conductive and nonconductive dies. The intensive stirring has several major benefits: finer microstructure, better chemical homogeneity and much more efficient feeding in both macro and micro scales. Today the casting industry is continuously pursuing methods to improve casting quality, and to save time, energy and materials, which together result in price reduction and environmental benefits. Direct-chill (DC) casting is currently the most common semi-continu

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12

Vreeman, Christopher J., J. David Schloz, and Matthew John M. Krane. "Direct Chill Casting of Aluminum Alloys: Modeling and Experiments on Industrial Scale Ingots." Journal of Heat Transfer 124, no. 5 (2002): 947–53. http://dx.doi.org/10.1115/1.1482089.

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A continuum mixture model of the direct chill casting process is compared to experimental results from industrial scale aluminum billets. The model, which includes the transport of free-floating solid particles, can simulate the effect of a grain refiner on macrosegregation and fluid flow. It is applied to an Al-6 wt% Cu alloy and the effect of grain refiner on macrosegregation, sump profile, and temperature fields are presented. Two 45 cm diameter billets were cast under production conditions with and without grain refiner. Temperature and composition measurements and sump profiles are compar

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13

Založnik, Miha, and Božidar Šarler. "Modeling of macrosegregation in direct-chill casting of aluminum alloys: Estimating the influence of casting parameters." Materials Science and Engineering: A 413-414 (December 2005): 85–91. http://dx.doi.org/10.1016/j.msea.2005.09.056.

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14

Thevik, Havard J., Asbjørn Mo, and Torgeir Rusten. "A mathematical model for surface segregation in aluminum direct chill casting." Metallurgical and Materials Transactions B 30, no. 1 (1999): 135–42. http://dx.doi.org/10.1007/s11663-999-0013-x.

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15

Meysami, A., S. Mahmoudi, and M. Hajisafari. "Modeling of water removal in direct-chill casting of aluminum-alloy billets." Materiali in tehnologije 51, no. 6 (2017): 1011–17. http://dx.doi.org/10.17222/mit.2017.054.

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16

Nadella, Ravi, Dmitry G. Eskin, and Laurens Katgerman. "Role of Grain Refining in Macrosegregation upon Direct Chill Casting of AA 2024 Round Billet." Materials Science Forum 519-521 (July 2006): 1841–46. http://dx.doi.org/10.4028/www.scientific.net/msf.519-521.1841.

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The addition of grain refiners during industrial direct chill (DC) casting of aluminum billets promotes formation of smaller equiaxed grains with obvious advantages. However, the role of grain refining in the extent of macrosegregation in DC cast Al alloys is still unclear. This is particularly evident in the case of commercial aluminum alloys with various alloying elements. In this work, the structure and associated macrosegregation patterns in DC cast AA 2024 (Al–Cu–Mg) aluminum alloy billets were studied at different casting speeds. The concentration profiles of Cu and Mg, measured along th

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17

Drezet, J. M., M. Rappaz, B. Carrupt, and M. Plata. "Experimental investigation of thermomechanical effects during direct chill and electromagnetic casting of aluminum alloys." Metallurgical and Materials Transactions B 26, no. 4 (1995): 821–29. http://dx.doi.org/10.1007/bf02651729.

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18

Dong, Qipeng, Yanbin Yin, Zhen Zhu, and Hiromi Nagaumi. "Motion and Distribution of Floating Grain in Direct-Chill Casting of Aluminum Alloys: Experiments and Numerical Modeling." Materials 13, no. 23 (2020): 5379. http://dx.doi.org/10.3390/ma13235379.

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Sedimentation of free-floating grains is the main origin of the negative centerline segregation in direct-chill casting of aluminum alloys. This study examines the motion and distribution of the floating grains during casting using experimental measurements and numerical modeling. The typical floating grains consisting of interior solute-lean coarse dendrites and periphery fine dendrites were experimentally observed only in the central region of the billet along with the negative segregation. The billet exhibits the strongest segregation at the center where the most floating grains are found.

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19

Han, Xing, Bo Shao, Hai Tao Zhang, Ke Qin, and Jian Zhong Cui. "Study on Composite Interface of 4045/3003 by Cladding Casting." Materials Science Forum 817 (April 2015): 3–7. http://dx.doi.org/10.4028/www.scientific.net/msf.817.3.

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With the cladding casting equipment, which was self-designed and self-made, 4045/3003 composite ingot, which is in size of Φ140mm/Φ110mm, has been manufactured by direct cooling continuous casting by adjusting and optimizing the technological parameters. The process was investigated involving macro-morphology and microstructure near the interface between the two different aluminum alloys at different positions, and distributions of both components and hardness of the cladding ingot. In addition, the tensile strengths were tested. The results showed that metallurgical bonding of two different a

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20

Fezi, Kyle, and Matthew John M. Krane. "Quantification of Input Uncertainty Propagation Through Models of Aluminum Alloy Direct Chill Casting." Metallurgical and Materials Transactions A 49, no. 10 (2018): 4759–70. http://dx.doi.org/10.1007/s11661-018-4827-5.

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21

M’Hamdi, Mohammed, Asbjørn Mo, and Christophe L. Martin. "Two-phase modeling directed toward hot tearing formation in aluminum direct chill casting." Metallurgical and Materials Transactions A 33, no. 7 (2002): 2081–93. http://dx.doi.org/10.1007/s11661-002-0040-6.

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22

Carlberg, Torbjörn, and Anders E. W. Jarfors. "On Vertical Drag Defects Formation During Direct Chill (DC) Casting of Aluminum Billets." Metallurgical and Materials Transactions B 45, no. 1 (2013): 175–81. http://dx.doi.org/10.1007/s11663-013-0009-4.

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23

Bai, Qing Ling, Hong Xiang Li, Qiang Du, Ji Shan Zhang, and Lin Zhong Zhuang. "Mechanical Properties and Constitutive Behavior of as-Cast High Strength AA7xxx Alloys below Solidus Temperature." Materials Science Forum 794-796 (June 2014): 467–72. http://dx.doi.org/10.4028/www.scientific.net/msf.794-796.467.

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High strength AA7xxx alloys have been extensively used in aerospace industry. However, experience in cast house demonstrates that such alloys are particularly prone to cold cracking and ingot distortion during direct chill (DC) casting, which leads to big amount of scraping or even total rejection of ingot. Those stress induced defects are greatly affected by casting process, and fine tuning of casting parameters is critical to improve the quality and productivity. Recently, numerical modeling has been widely utilized in direct-chill casting for the purpose of thermal mechanical analysis and c

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24

Le, Q., J. Cui, Shi Jie Guo, Z. Zhao, and F. Yu. "Investigation on Low-Frequency Electromagnetic DC Casting of AZ91 Magnesium Alloy." Materials Science Forum 488-489 (July 2005): 345–48. http://dx.doi.org/10.4028/www.scientific.net/msf.488-489.345.

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Direct chill (DC) casting is a dominant way of producing aluminum and copper alloy billets. In the past we developed a new technique, namely Low Frequency Electromagnetic Casting (LFEC), in which low-frequency electromagnetic field (LFEF) is incorporated to DC casting processing. In this work, LFEF was introduced to the magnesium DC casting processing. Experimental investigations and numerical simulation indicate that application of LFEF to DC casting magnesium alloy can significantly improve the surface quality of the AZ91 billets, refine microstructure and reduce both macro and micro segrega

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25

M’Hamdi, Mohammed, Asbjørn Mo, and Hallvard G. Fjær. "TearSim: A two-phase model addressing hot tearing formation during aluminum direct chill casting." Metallurgical and Materials Transactions A 37, no. 10 (2006): 3069–83. http://dx.doi.org/10.1007/s11661-006-0188-6.

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26

Baserinia, Amir R., H. Ng, D. C. Weckman, M. A. Wells, S. Barker, and M. Gallerneault. "A Simple Model of the Mold Boundary Condition in Direct-Chill (DC) Casting of Aluminum Alloys." Metallurgical and Materials Transactions B 43, no. 4 (2012): 887–901. http://dx.doi.org/10.1007/s11663-012-9658-y.

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27

Reese, Jason M. "Characterization of the flow in the molten metal sump during direct chill aluminum casting." Metallurgical and Materials Transactions B 28, no. 3 (1997): 491–99. http://dx.doi.org/10.1007/s11663-997-0116-1.

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28

JIANG, Hui-xue, Hai-tao ZHANG, Ke QIN, and Jian-zhong CUI. "Direct-chill semi-continuous casting process of three-layer composite ingot of 4045/3004/4045 aluminum alloys." Transactions of Nonferrous Metals Society of China 21, no. 8 (2011): 1692–97. http://dx.doi.org/10.1016/s1003-6326(11)60916-3.

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29

Lalpoor, Mehdi, Dmitry G. Eskin, Hallvard Gustav Fjær, Andreas Ten Cate, Nick Ontijt, and Laurens Katgerman. "Application of a Criterion for Cold Cracking to Casting High Strength Aluminium Alloys." Materials Science Forum 654-656 (June 2010): 1432–35. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.1432.

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Direct chill (DC) casting of high strength 7xxx series aluminum alloys is difficult mainly due to solidification cracking (hot cracks) and solid state cracking (cold cracks). Poor thermal properties along with extreme brittleness in the as-cast condition make DC-casting of such alloys a challenging process. Therefore, a criterion that can predict the catastrophic failure and cold cracking of the ingots would be highly beneficial to the aluminum industry. The already established criteria are dealing with the maximum principal stress component in the ingot and the plane strain fracture toughness

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30

Zhao, Zhihao, Jianzhong Cui, Jie Dong, Zhefeng Wang, and Beijiang Zhang. "Effect of low-frequency magnetic field on microstructures of horizontal direct chill casting 2024 aluminum alloy." Journal of Alloys and Compounds 396, no. 1-2 (2005): 164–68. http://dx.doi.org/10.1016/j.jallcom.2004.12.020.

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31

Wagstaff, Samuel R., and Antoine Allanore. "Jet Mixing in Direct-Chill Casting of Aluminum: Crater Effects and its Consequence on Centerline Segregation." Metallurgical and Materials Transactions B 48, no. 4 (2017): 2114–22. http://dx.doi.org/10.1007/s11663-017-0986-9.

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32

Wagstaff, Samuel R., and Antoine Allanore. "Centerline Depletion in Direct-Chill Cast Aluminum Alloys: The Avalanche Effect and Its Consequence for Turbulent Jet Casting." Metallurgical and Materials Transactions B 47, no. 5 (2016): 3139–43. http://dx.doi.org/10.1007/s11663-016-0756-0.

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33

Kaldre, Imants, Mikus Milgravis, Andris Bojarevics, and Toms Beinerts. "Electromagnetic Processing during Directional Solidification of Particle-Strengthened Aluminum Alloys for Additive Manufacturing." Materials Proceedings 3, no. 1 (2021): 19. http://dx.doi.org/10.3390/iec2m-09255.

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The rise of metal additive manufacturing technology has increased the demand for high-performance alloys such as metal matrix composites (MMCs). The metallurgical production of MMCs remains a challenge. The nano-powder of dielectric particles does not mix well into the liquid metal because of several reasons. On a macroscopic level, the powder is rejected by the molten metal through buoyancy and surface tension forces. On a microscopic level, the particles are held together by Van der Waals forces forming particle agglomerates. Our research strategy is to address these issues separately in two

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34

Zuo, Yu Bo, Zhi Hao Zhao, Qing Feng Zhu, Xiang Jie Wang, and Jian Zhong Cui. "Preparing Large Sized Billet of High Strength Aluminum Alloy with the Application of Low Frequency Electromagnetic Field." Advanced Materials Research 472-475 (February 2012): 723–26. http://dx.doi.org/10.4028/www.scientific.net/amr.472-475.723.

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Grain refinement is quite important for producing 7050 alloy billet especially in large scale. Low frequency electromagnetic casting (LFEC) process was used to make 7050 aluminum alloy Φ500 mm billets and study the effect of electromagnetic field on the microstructure. The sound Φ500 mm billets of 7050 alloys without any grain refiner can be successfully prepared by the LFEC process. The results show that low frequency electromagnetic field has a significant grain refining effect on 7050 alloy and can effectively eliminate feather grain structure. The microstructures of LFEC ingot from the bor

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35

Naeem, Haider T., Khairul R. Ahmad, Kahtan S. Mohammad, and Azmi Rahmat. "Evolution of the Retrogression and Reaging Treatment on Microstructure and Properties of Aluminum Alloy (Al-Zn-Mg-Cu)." Advanced Materials Research 925 (April 2014): 258–62. http://dx.doi.org/10.4028/www.scientific.net/amr.925.258.

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In this study the evolution of the retrogression and reaging (RRA) heat treatment process on microstructure and mechanical properties of AA 7075 Al-alloys which produced by semi-direct chill (DC) casting process were investigated. Al-Zn-Mg-Cu alloys were homogenized at different heat treatment conditions, aged at 120°C for 24 h (T6), and retrogressed at 180°C for 30 min then re-aged at 120°C for 24 h (RRA). The results showed that this three-step process of the heat treatments, the mechanical properties of alloys was substantially improved. The highest ultimate tensile strength and Vickers har

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36

Zuo, Kesheng, Haitao Zhang, Ke Qin, Jianzhong Cui, and Qingzhang Chen. "Three-Dimensional CFD Simulation Coupled with Thermal Contraction in Direct-Chill Casting of A390 Aluminum Alloy Hollow Billet." Metallurgical and Materials Transactions B 48, no. 1 (2016): 429–43. http://dx.doi.org/10.1007/s11663-016-0857-9.

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37

Li, Y., Z. R. Zhang, Z. Y. Zhao, et al. "Effect of Main Elements (Zn, Mg, and Cu) on Hot Tearing Susceptibility During Direct-Chill Casting of 7xxx Aluminum Alloys." Metallurgical and Materials Transactions A 50, no. 8 (2019): 3603–16. http://dx.doi.org/10.1007/s11661-019-05268-z.

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38

El-Bealy, Mostafa Omar. "Modeling of Heat Transfer and Interdendritic Strain for Exuded Surface Segregation Layer in the Direct Chill Casting of Aluminum Alloys." Metallurgical and Materials Transactions B 47, no. 1 (2015): 630–48. http://dx.doi.org/10.1007/s11663-015-0513-9.

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39

KORTI, ABDEL ILLAH NABIL. "NUMERICAL SIMULATION OF FLUID FLOW AND HEAT TRANSFER DURING THE INITIAL PHASE LEADING TO STEADY STATE SOLIDIFICATION IN D. C. CAST ALUMINUM ALLOYS." International Journal of Computational Methods 07, no. 02 (2010): 349–67. http://dx.doi.org/10.1142/s0219876210002222.

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In this paper, two dimensional unsteady flow and energy equations are employed for simulating the fluid flow, heat transfer and solidification during direct chill continuous casting of Al-Mg alloy billet. In these processes, the formation of some macro defects such as thermal cracking, hot tearing, surface cracking, etc, has been found to initiate during the starting phase of the operation. In this paper, a numerical study of these developing fluid flow and thermal phenomena from the beginning of casting operation to a steady-state is presented. The computations are based on an iterative defor

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40

Naeem, Haider T., Kahtan S. Mohammad, and Khairel R. Ahmad. "The Effect of Microalloying of Nickel, RRA Treatment on Microstructure and Mechanical Properties for High Strength Aluminum Alloy." Advanced Materials Research 925 (April 2014): 253–57. http://dx.doi.org/10.4028/www.scientific.net/amr.925.253.

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High strength aluminum alloys Al-Zn-Mg-Cu-(0.1) Ni produced by semi-direct chill casting process were homogenized at different conditions then conducted heat treatment process which comprised pre-aging at 120°C for 24 h, retrogression at 180°C for 30 min, and then re-aging at 120°C for 24 h. Microstructural studies showed that add Ni (0.1 wt %) to the alloy will be forming Ni-rich phases such as AlCuNi, AlNi, AlNiFe and AlMgNi which provide a dispersive strengthening affected in the solid-solution and the subsequent heat treatments. The results showed that by this three-step process of heat tr

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41

LUO, Hai-jun, Wan-qi JIE, Zhi-ming GAO, and Yong-jian ZHENG. "Numerical simulation for macrosegregation in direct-chill casting of 2024 aluminum alloy with an extended continuum mixture model." Transactions of Nonferrous Metals Society of China 28, no. 5 (2018): 1007–15. http://dx.doi.org/10.1016/s1003-6326(18)64738-7.

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42

Zhao, Zhihao, Jianzhong Cui, Jie Dong, and Beijiang Zhang. "Effect of low-frequency magnetic field on microstructures and macrosegregation of horizontal direct chill casting 7075 aluminum alloy." Journal of Materials Processing Technology 182, no. 1-3 (2007): 185–90. http://dx.doi.org/10.1016/j.jmatprotec.2006.07.029.

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43

Chankitmunkong, Suwaree, Dmitry G. Eskin, and Chaowalit Limmaneevichitr. "Structure Modification upon Ultrasonic Processing of an AA4032 Piston Alloy: Comparison of Permanent Mold and Direct-Chill Casting." Metallurgical and Materials Transactions A 51, no. 2 (2019): 818–29. http://dx.doi.org/10.1007/s11661-019-05575-5.

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AbstractPiston Al-Si alloys have very complex compositions and multi-phase heterogeneous structure, so it is necessary to control the formation of primary and eutectic compounds. In this study, the ultrasonic melt processing (USP) of a eutectic Al-Si piston alloy (AA4032-type) was performed in a permanent mold and during direct-chill (DC) casting to study its effects on the structure refinement and modification. The principal difference between these two ways of casting is that in the permanent mold the solidification front progressively moves towards the ultrasound source, while in the DC cas

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44

Mortensen, Dag. "A mathematical model of the heat and fluid flows in direct-chill casting of aluminum sheet ingots and billets." Metallurgical and Materials Transactions B 30, no. 1 (1999): 119–33. http://dx.doi.org/10.1007/s11663-999-0012-y.

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45

Caron, Etienne J. F. R., and Mary A. Wells. "Effect of Advanced Cooling Front (ACF) Phenomena on Film Boiling and Transition Boiling Regimes in the Secondary Cooling Zone during the Direct-Chill Casting of Aluminium Alloys." Materials Science Forum 519-521 (July 2006): 1687–92. http://dx.doi.org/10.4028/www.scientific.net/msf.519-521.1687.

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Accurate knowledge of the boundary conditions is essential when modeling the Direct-Chill (DC) casting process. Determining the surface heat flux in the secondary cooling zone, where the greater part of the heat removal takes place, is therefore of critical importance. Boiling water heat transfer phenomena are quantified with boiling curves which express the heat flux density as a function of the surface temperature. Compilations of boiling curves for the DC casting of aluminum alloys present a good agreement at low surface temperatures but a very poor agreement at higher surface temperatures,

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46

Zhu, Qingfeng, Zhihao Zhao, Yubo Zuo, Xiangjie Wang, and Jianzhong Cui. "The effect of grain refiner and combined electro-magnetic field on grain evolution of horizontal direct chill casting 7075 aluminum alloy." International Journal of Materials Research 101, no. 3 (2010): 380–85. http://dx.doi.org/10.3139/146.110279.

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47

Wang, Xiaoguo, Jian Qin, Hiromi Nagaumi, Ruirui Wu та Qiushu Li. "The Effect of α-Al(MnCr)Si Dispersoids on Activation Energy and Workability of Al-Mg-Si-Cu Alloys during Hot Deformation". Advances in Materials Science and Engineering 2020 (20 травня 2020): 1–12. http://dx.doi.org/10.1155/2020/3471410.

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The hot deformation behaviors of homogenized direct-chill (DC) casting 6061 aluminum alloys and Mn/Cr-containing aluminum alloys denoted as WQ1 were studied systematically by uniaxial compression tests at various deformation temperatures and strain rates. Hot deformation behavior of WQ1 alloy was remarkably changed compared to that of 6061 alloy with the presence of α-Al(MnCr)Si dispersoids. The hyperbolic-sine constitutive equation was employed to determine the materials constants and activation energies of both studied alloys. The evolution of the activation energies of two alloys was invest

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48

Goulart, Pedro R., J. E. Spinelli, F. Bertelli, Wislei R. R. Osório, Noé Cheung, and Amauri Garcia. "Cellular Microstructure and Mechanical Properties of a Directionally Solidified Al-1.0wt%Fe Alloy." Materials Science Forum 636-637 (January 2010): 564–70. http://dx.doi.org/10.4028/www.scientific.net/msf.636-637.564.

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Upward directional transient solidification experiments have been carried out with an Al-1.0wt%Fe alloy. Tensile tests were carried out with samples collected along the casting length and these results have been correlated with measured cell spacings, since cellular growth has prevailed along the directionally solidified casting. The resulting mechanical properties include ultimate tensile strength, yield tensile strength and elongation. The used casting assembly was designed in such a way that the heat was extracted only through the water-cooled system at bottom of the casting. During non-equ

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49

Dolic, N., and Zovko Brodarac. "Evaluation of EN AW-5083 aluminum alloy homogeneity using statistical analysis of mechanical properties." Journal of Mining and Metallurgy, Section B: Metallurgy 53, no. 3 (2017): 429–39. http://dx.doi.org/10.2298/jmmb170812046d.

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In the frame of this investigation, the homogeneity of six (6) ingots of aluminum alloy EN AW-5083 cast by semi-continuous vertical Direct Chill casting (DC) Process was investigated correlating mechanical properties in as-cast and homogenized condition. The investigation followed the static design of the Latin square. Determination of the ultimate tensile strength and elongation across the cross-sectioned sliced at the ingots? fronts and rears in as-cast state revealed differences per cross section of each particular slice. Comparison of obtained differences enabled evaluation of mechanical p

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Knoop, Daniel, Andreas Lutz, Bernhard Mais, and Axel von Hehl. "A Tailored AlSiMg Alloy for Laser Powder Bed Fusion." Metals 10, no. 4 (2020): 514. http://dx.doi.org/10.3390/met10040514.

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Abstract:

The majority of aluminum alloys used for laser powder bed fusion are based on the aluminum–silicon system, particularly alloys containing 7 to 12 wt.% silicon and less than 1 wt.% magnesium. Silicon has a beneficial influence on melt viscosity during casting and laser additive manufacturing and prevents the formation of cracks. This study focused on the development of a new AlSi3.5Mg2.5 alloy for laser powder bed fusion with a Mg-Si content above 1.85 wt.% Mg2Si, which is the solubility limit of the α-aluminum matrix, and a subsequent heat treatment to adjust the mechanical properties with a w

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