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Diamond cutting tools are not recommended for machining of ferrous metals to
[PI 2008]
- a)High tool hardness
- b)High thermal conductivity of work material
- c)Poor tool toughness
- d)Chemical affinity of tool material with iron
Correct answer is option 'D'. Can you explain this answer?
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Diamond cutting tools are not recommended for machining of ferrous met...
Carbon having affinity for ferrous material.
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Diamond cutting tools are not recommended for machining of ferrous met...
Diamond cutting tools are not recommended for machining of ferrous metals due to the chemical affinity of the tool material with iron.
In summary, diamond cutting tools are not recommended for machining of ferrous metals due to their chemical affinity with iron, which can result in degradation and wear of the tool. Additionally, the high tool hardness, high thermal conductivity of the work material, and poor tool toughness make diamond cutting tools less suitable for machining ferrous metals.
Explanation:
- Chemical affinity: Diamond cutting tools are made from diamond, which is a form of carbon. Carbon has a strong chemical affinity with iron, meaning that it tends to react and form compounds with iron when they come into contact. This chemical reaction can lead to the degradation and wear of the cutting tool.
Reasons why diamond cutting tools are not recommended for machining of ferrous metals:
- High tool hardness: Diamond is the hardest known material, which makes it ideal for cutting and machining applications. However, the high tool hardness of diamond also means that it is more prone to chipping and fracturing when machining ferrous metals, which are generally harder than other materials.
- High thermal conductivity of work material: Ferrous metals, such as iron and steel, have high thermal conductivity, which means that they can quickly dissipate heat generated during machining. This can result in high temperatures at the cutting edge of the diamond tool, leading to thermal damage and premature wear.
- Poor tool toughness: Diamond is extremely hard but lacks toughness. Toughness refers to the ability of a material to withstand impact forces without fracturing. When machining ferrous metals, the cutting tool may encounter sudden changes in material properties or encounter hard inclusions, which can cause the diamond tool to fracture or chip.
Conclusion:
In summary, diamond cutting tools are not recommended for machining of ferrous metals due to their chemical affinity with iron, which can result in degradation and wear of the tool. Additionally, the high tool hardness, high thermal conductivity of the work material, and poor tool toughness make diamond cutting tools less suitable for machining ferrous metals.
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Diamond cutting tools are not recommended for machining of ferrous metals to[PI 2008]a)High tool hardnessb)High thermal conductivity of work materialc)Poor tool toughnessd)Chemical affinity of tool material with ironCorrect answer is option 'D'. Can you explain this answer?
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