The Advantages And Disadvantages Of Ferrous Metals

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Ferrous Metals
Mostly consists of Iron. Small amounts of other metals or elements are added to give the needed properties. Ferrous Metals are magnetic and have little resistance to corrosion.
Advantages
• High strength - weight ratio
• Weighs more than Aluminum and Titanium Alloys
• High quality and tough material
• Recyclable and eco friendly
Disadvantages
• Tends to corrode by rusting
• Machine ability is affected by the magnetic field
• Requires more energy to form shapes or re-work
Examples and uses:
• Mild Steel – Used in engineering and also in general metal products.
• Carbon steel – Used to make tools such as drill bits.
• Stainless Steel – Used for cutlery and surgical instrumentation.
• Cast Iron – Used to make items such as
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They are formed when in a melted or gelatinous phase. They are heated, formed, and then cooled in their final shape.
Advantages: Thermoplastics have a decent range of properties and are energy efficient each in their manufacture and process. Thermoplastic parts are often created in very high volume with high preciseness and low cost. Thermoplastics may replace metals with a substantial weight savings, providing correct care is taken in its design. Most thermoplastics have better fatigue properties than metals and can tolerate larger deflections than metals without deforming.
Disadvantages: Thermoplastics melt. Some degrade in direct sunlight or underneath high U.V. light levels. Several materials have poor resistance to hydrocarbons, organic solvents, and extremely polar solvents however others have great resistance to those materials. Thermoplastics suffer from creep, a relaxation of the material from long term loading. Several thermoplastic materials, particularly composites, tend to fracture instead of deform beneath high stress levels.

Examples and uses:
• ABS is a lightweight plastic, used in musical instruments, whitewater canoes, Lego bricks and construction

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