Aluminium cast alloys, Mechanical Engineering

Aluminium Cast Alloys:

Aluminium alloys the cast through any one of the given processes.

Sand Casting is the easiest and most versatile process minute castings, complex castings along with intricate cores, large castings and structural castings are generated via sand casting along with equal case.

In permanent mould casting a metallic mould is employed which might be gravity filled or else rotated for centrifugal action. The castings from permanent mould are superior grained as evaluated to sand cast products. In die casting production maximum rate is attained. The molten metal is forced into die that is split but adequately strong to withstand pressure. One significant characteristic of die casting is put up tolerance in parts. Well grained structure and automation of process are other compensation.

Aluminium casting alloys require such element for alloying that will not merely impart mechanical strength but will rise also feeding and fluidity ability. Hence their chemical composition should differ from wrought alloys. Silicon is the more preferred alloying element in aluminium cast alloys for its enhance feeding and fluidity ability and its mechanical strength also. General silicon content varies in between 5 to 12 percent. Magnesium in the range of 0.3 to 1 percent offers strength mainly via precipitation. Mg, Zn, Sn, Ti are added occasionally also.

Posted Date: 2/26/2013 7:10:24 AM | Location : United States

Related Discussions:- Aluminium cast alloys, Assignment Help, Ask Question on Aluminium cast alloys, Get Answer, Expert's Help, Aluminium cast alloys Discussions

Write discussion on Aluminium cast alloys
Your posts are moderated
Related Questions
What is melting point of aluminium?

what is SFD and BMD? EXPLAIN

nc & cnc machines

GENERAL REASONS FOR DEFECTS The importance of weld quality is increasingly felt as we go ahead with the fabrication of sophisticated products using higher strength mater

Brass is an alloy of (A) Copper and zinc.  (B) Copper and iron. (C) copper and Aluminium.  (D) Copper and tin. Ans: Brass is an alloy of copper and zin

A thick cylinder 125 mm inside diameter and 250 mm outside diameter is subjected to an internal fluid pressure of 50N/mm 2 . Determine the maximum and minimum intensities of circum

The function of the impellers is to: (i) reduce bubble size thereby increasing the surface area for oxygen transfer, and (ii) maintain a uniform environment, nutrient supply and he

preparation of nylon

Mas s Flow Rate (m ): In absence of any mass getting stored system we can write; Mass flow rate at inlet = Mass flow rate at outlet That is, m f1  = m f2 as m f  = d