Effect of combinative cooled addition of strontium and aluminium on mechanical properties AlSi12 alloy
Journal Title: Journal of Achievements in Materials and Manufacturing Engineering - Year 2017, Vol 1, Issue 83
Abstract
Purpose: The study was to determine the mechanical properties of hypo-eutectic silumin AlSi12 modified with Sr or Al-Sr alloy slow or fast cooled and in the form of a strip or powder. Design/methodology/approach: The experiment performed on EN AB-AlSi12 hypoeutectic alloy. Aluminium and strontium was melted and next fast cooled to room temperature or cooled on a metal plate at rates about 200°C/s. This enabled to produce a different components, which were powdered immediately before adding to the alloy or used as a strip. The scope of this paper was to verify the cooling effect of Sr-Al modifiers and its form (powder or strip) on the microstructure and mechanical properties the AlSi12 alloy. Findings: The use of fast cooled Al-Sr alloy in the modification process and/or powdered alloy contributed to a further increase mechanical properties AlSi12 alloy. Research limitations/implications: The modification alloys with fast cooled powdered modifier are attractive for future research. Practical implications: Widely presented books and research papers on the silumin treatment give not a lot of contents on the effect treatment fast cooled alloy in the form of a strip or powder. Originality/value: The original value of the paper is comparison Sr and Al-Sr alloy modifiers slow and fast cooled and used as a powder or strip.
Authors and Affiliations
T. Lipiński
Online vibration suppression in lathe machine
Purpose: The main objective of the project is to reduce the vibration of the tool and toincrease the accuracy of the component. The efficiency of the tool and precise machiningcan be increased by this project.Design/meth...
Modelling of inelastic behaviour of reinforced concrete deep beam
Purpose: An analysis of the static load - carrying capacity of rectangular reinforcedconcrete deep beam taking into account the physical nonlinearities of structural materials:concrete and reinforcing steel, was the aim...
The microstructure and mechanical properties of FSPed HSLA steel
Purpose: High-strength low-alloy (HSLA) steels have been used in a wide range of applicationsfrom automotive to ship building industry due to their low weight, formability and good weldability.However, especially in the...
Enhancing bio-gas production from kitchen waste using BSA-iron oxide nanoparticles in miniature level bio-reactor
Purpose: This study focuses on increasing production of biogas as an alternative energyfrom biodegradable wastes (BWs) using BSA coated iron oxides nanoparticles, in view ofsolving waste management at household level. Ma...
The analysis of strength and fracture morphology of Al-Si compound made from moulding sand formulation with bentonite binding material and Portland cement
Purpose: This research aimed to analyse the casting result of Al-Si compound used formulation of moulding sand with bentonite binding material and Portland cement. Design/methodology/approach: Bentonite bind...