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High-Temperature Behavior of High-Pressure Diecast Alloys Based on the Al-Si-Cu System: The Role Played by Chemical Composition

Elisabetta Gariboldi, Jannis Lemke, Ludovica Rovatti, Oksana Baer, Giulio Timelli, Franco Bonollo
2018 Metals  
Al-Si-Cu foundry alloys are widely applied in the form of high-pressure diecast components.  ...  By means of the performed comprehensive material characterization, deeper knowledge of the microstructural changes of Al-Si-Cu foundry alloys during short-term mechanical behavior was obtained.  ...  Acknowledgments: The authors would like to thank Raffineria Metalli Capra for the supplying of alloys and SAEN for the high-pressure diecasting of specimens.  ... 
doi:10.3390/met8050348 fatcat:ahmjxkyghnbldktsash2nfwttm

Generation and Relaxation of Residual Stresses in Automotive Cylinder Blocks [chapter]

Serageldin Salem Mohamed, Agnes M. Samuel, Herbert W. Doty, Salvador Valtierra, Fawzy H. Samuel
2020 Automotive System Engineering - New Methods and Optimal Solutions [Working Title]  
There is direct proportionality between ultimate tensile stress (UTS) and residual stresses (RS). Residual stresses gradually decrease with decreasing cooling/quenching rates.  ...  Aging time and temperature are directly proportional to the residual stresses relaxation. Relaxation of RS also depends on the geometry and size of the workpiece.  ...  17 Generation and Relaxation of Residual Stresses in Automotive Cylinder Blocks DOI: /10.5772/intechopen.93664  ... 
doi:10.5772/intechopen.93664 fatcat:m4mrhcuujfeehblcabuzeezg34

A review on properties and microstructure of micro-extruded product using SPD and as-cast material

Pintu Kumar, Sudhansu Sekhar Panda
2018 Sadhana (Bangalore)  
as-cast and ECAPed extruded material.  ...  Similarly, size and direction of grain can alter the mechanical properties based on requirements and type of applications.  ...  The fine microstructure of all-cast Al alloy is due to lowering of die temperature, resulting in high degree of under-cooling, which changes the crystal direction opposite to heat removal direction as  ... 
doi:10.1007/s12046-018-0874-2 fatcat:sezmletb2vfgrfglg3msnkzvhm

The Stress Concentration Mechanism of Pores Affecting the Tensile Properties in Vacuum Die Casting Metals

Hanxue Cao, Ziwei Luo, Chengcheng Wang, Jing Wang, Tao Hu, Lang Xiao, Junqi Che
2020 Materials  
The number, size and distribution of pores in die casting collectively affect the properties of the sample.  ...  The absolute pressure strongly affects the porosity and mechanical properties of castings produced by vacuum high-pressure die casting (V-HPDC) technology.  ...  Three kinds of aluminum alloy samples (Al-5% Si, Al-8% Si and Al-18% Si) were selected for the experiment to be produced on a die casting machine equipped with a Fondarex vacuum auxiliary system.  ... 
doi:10.3390/ma13133019 pmid:32640673 fatcat:fcrvvpn4abc2bmrgxucedjlaxy

The semi-solid processing of alloys and composites

C. Levaillant, M. Suery
1990 JOM: The Member Journal of TMS  
In addition, a variety of alloying systems and composite materials are covered in this special issue, including interesting information on welding, tribology and corrosion of SSM-processed alloys.  ...  As strong advocates within the SSM processing community, we believe such a delay in recognizing the benefits of SSM casting of light alloys is predominantly due to the lack of proper communication between  ...  The founding sponsors had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, and in the decision to publish the results.  ... 
doi:10.1007/bf03220465 fatcat:tyrwhznnvvcmnogjrco7x5273e

Titanium in Cast Cu-Sn Alloys—A Review

Karthik Manu, Jan Jezierski, Madikkamadom Radhakrishnan Sai Ganesh, Karthik Venkitaraman Shankar, Sudarsanan Aswath Narayanan
2021 Materials  
Alloying of Ti to cast Cu-Sn is very effective in changing the microstructure of bronze alloys.  ...  The present article reviews the techniques involved in changing the microstructure and enhancing the mechanical and tribological behaviours of cast Cu-Sn and Cu-Sn-Ti alloys.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ma14164587 pmid:34443110 pmcid:PMC8401867 fatcat:b2hxvy7q7zeq7ppbztipwvvhhi

Fatigue crack growth mechanisms in Al–Si–Mg alloys

D. A. Lados
2005 Surface Engineering  
In recent years, alloy microstructure, in relation to both crack initiation and propagation, has gained much attention considering that advanced casting techniques such as squeeze casting, thixocasting  ...  Five conventional alloys were designed to target first the α-Al dendritic structure (1%Si alloy), then the Al/Si eutectic phase (13%Si alloys), and finally a mixture of these two phases as found in A356  ...  Keith Donald for his important contribution to the critical issues related to residual stress impact on the fatigue crack growth response. The authors also direct their thanks to Mr.  ... 
doi:10.1179/sur.2005.21.1.80 fatcat:mao22tl4mvfmfopg54bsgceexi

Closed Chain Simulations of a Cast Aluminium Component - Incorporating Casting Process Simulation and Local Material Characterization into Stress-strain Simulations

Jakob Olofsson, Ingvar L. Svensson
2014 ISIJ International  
to a high pressure die cast aluminium component.  ...  The entire casting process, including mould filling and solidification, is simulated to predict the formation of microstructure and residual stresses throughout the component, and material characterization  ...  Acknowledgement The Swedish Knowledge Foundation is gratefully acknowledged for financially supporting the COMPCast research profile at the School of Engineering, Jönköping University, in which the current  ... 
doi:10.2355/isijinternational.54.259 fatcat:s4cinacjzbgr7p7ul3ngcyhwpe

Mechanical Properties of SLM-Printed Aluminium Alloys: A Review

Panneer Ponnusamy, Rizwan Abdul Rahman Rashid, Syed Hasan Masood, Dong Ruan, Suresh Palanisamy
2020 Materials  
Aluminium alloy is one of the widely used metals in manufacturing parts in SLM in these sectors due to its light weight, high strength, and corrosion resistance properties.  ...  , and heat treatment conditions with the aim of identifying research gaps and future research directions.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ma13194301 pmid:32993134 pmcid:PMC7579539 fatcat:c7mcyvog7zdn3ak6zhohwkcdta

"Stop Pouring, Start Casting"

J. Campbell
2012 International Journal of metalcasting  
of fracture. 4 In the case of automotive applications, where 319 type Al-Si-Cu alloys containing increased levels of Mg are commonly employed, the mechanical properties, in particular the impact toughness  ...  Copper results in the precipitation of Al 2 Cu particles.  ...  Of the alloys tested, the lightweight steel, the 4325 steel and the Al-killed and Ca-treated HY130 steel had similar dynamic fracture toughness values of 153, 153 and 165 kJ/m 2 , respectively.  ... 
doi:10.1007/bf03355529 fatcat:ghpl5snnvrdatkvnr6ldvcnpka

Processing of Al-Si Waste Contaminated with Iron by Powder Metallurgy

Vojtěch Kučera, Vojtěch Dalibor
Therefore, powder metallurgy was used to process Al-Si15-Fe7 alloy (in wt. %) to refine the microstructure and improved mechanical properties without further modification of chemical composition.  ...  The re-processing of thus-polluted Al-Si waste by conventional casting technologies requires extensive technological adjustments, which raise the cost.  ...  P108/12/G043) for its financial support of this research.  ... 
doi:10.21062/ujep/54.2018/a/1213-2489/mt/18/1/60 fatcat:mqnp66pr7zczxgfzuwfhocqxpq

Laser Surface Engineering of Magnesium Alloys: A Review

Ashish Singh, Sandip P. Harimkar
2012 JOM: The Member Journal of TMS  
The laser-material interactions, microstructural/compositional changes, and properties development (mostly corrosion and wear resistance) accompanied with each of these approaches are reviewed.  ...  However, widespread applications of Mg alloys in structural components are impeded by their insufficient wear and corrosion resistance.  ...  using organic binder followed by LSM) processes to alloy the surfaces of Mg and alloy substrates using different alloying elements and their combinations (Al, Cu, Ni, Si, Al + Cu, Al + Ni, and Al + Si  ... 
doi:10.1007/s11837-012-0340-2 fatcat:ec5vpxxknbc33eu7imxcywkrqq

Recent advances in hot tearing during casting of aluminium alloys

Yue Li, Hongxiang Li, Laurens Katgerman, Qiang Du, Jishan Zhang, Linzhong Zhuang
2020 Progress in Materials Science  
In 2004, Eskin et al. published a review paper in which the development of hot tearing of aluminium alloys was evaluated .  ...  The fourth part examines the effect of the composition and casting process parameters on the hot tearing susceptibility of aluminium alloys.  ...  The effect of iron-rich intermetallics on the semi-solid tensile properties near the solidus for Al-Cu 206 cast alloys with different Si and Mn contents was evaluated by Bolouri et al.  ... 
doi:10.1016/j.pmatsci.2020.100741 fatcat:lbqyq5brhbcchnhw4wbjjja3i4

Corrosion of Cast Aluminum Alloys: A Review

C. Berlanga-Labari, M. V. Biezma-Moraleda, Pedro J. Rivero
2020 Metals  
Research on corrosion resistance of cast aluminum alloys is reviewed in this article.  ...  The effect of the main microstructural features of cast aluminum alloys such as secondary dendrite arm spacing (SDAS), eutectic silicon morphology, grain size, macrosegregation, microsegregation, and intermetallic  ...  [1] evaluated the local effects of Si and Cu contents and secondary dendrite arm spacing (SDAS) on the corrosion behavior of directionally solidified ternary Al-Cu-Si alloys castings (Al-6Cu-1Si and  ... 
doi:10.3390/met10101384 fatcat:4qplgcldlbdffi4y7eg3y2ovue

Materials - Section "A"

Vodopivec, F.
2006 Metalurgija  
compositions.  ...  equivalent for pig-iron of worked moulds; to optimize structure of cupola pig-iron, raising the content of carbon and alloying elements; to generate optimum structure by modifying Mg-Si and REM-alloying  ...  Al-Si and Al-Si-Mg alloys of brands of АK12, АK9.  ... 
doaj:65e82725cff942fd82ca877f7183c6d0 fatcat:65u72bgskvgqliuudljab25dza
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