The disadvantages of smart alloys are:
1. Their high cost
2. Metal fatigue
This is when the bending or twisting of the metal causes it to break.
Advantages of ferrous metals High strength to weight ratio compared to Non-metals Heavier than Aluminum and Titanium Alloys High quality and durable material Prone to corrosion by rusting (except stainless steel) Machine-ability Affected by magnetic field Recyclable and environmentally friendly Disadvantages of ferrous metals Requires more energy to form into shapes or re-work compared to Aluminum Alloys
Money are metals or alloys.
Pitting is the most common type of corrosion found on aluminum and magnesium alloys.
The important alloys of copper and zinc from an industrial point of view are the brasses comprised within certain limits of zinc content.
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Smart alloys are used because they have an ability to flex and mould in a certain position
Because smart alloys remember the shape they were first moulded into, while ordinary alloys won't bend back into their first shape, which won't help your teeth.
Advantage of alloysDisadvantage of alloysLifespan is longerHigh cost to manufactureLower rate if fatigue to MetalsDangerous if not tested properlyA wide range of different alloys, to suit a range of different usesBetter characteristics (e.g. low density and higher tensile strength)`
The advantages are they will remember the shape that you want. The disadvantages is that they will be hard to change.
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the disadvantage of having magnesium alloys is because they are very sensitive and can be burned and can be cut with a knife
There are lots of smart materials.For example,Shape memory alloys are made from metal alloysShape memory polymers, which are plasticsEtc
The main advantages of smart or active materials are: 1. High energy density (compared to pneumatic and hydraulic actuators) 2. Excellent bandwidth 3. Simplified packaging 4. Novel functions such as the huge volume change as a function of temperature exhibited by smart gels
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A smart alloy, also called a shape memory alloy, returns to its original shape when heated. They can be used to make solid-state actuators and have numerous applications in the medical and aerospace industries.=== === a normal alloy (like steel) with special qualities. they can bend back into their original shape after being bent. They are used in medical operations and dental braces. They are newly developed so are quite expensive.What is an alloy?Pure metals are too soft for many uses. To make metals harder we mix them together to make alloys. Useful alloys include:-the copper alloys, bronze and brass-steel, which is an alloy of iron, other metals and the non-metallic element carbon.
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1 Alloys of magnesium2 Alloys of aluminum3 Alloys of potassium4 Alloys of iron5 Alloys of cobalt6 Alloys of nickel7 Alloys of copper8 Alloys of gallium9 Alloys of silver10 Alloys of tin11 Rare earth alloys12 Alloys of gold13 Alloys of mercury14 Alloys of lead15 Alloys of bismuth16 Alloys of zirconiumBUT I AM SURE WHAT THEY ARE MADE OF I HOPE THIS HELPS :)