Molybdenum is added to steel to _______.
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A.
improve ductility
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B.
reduce weight
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C.
increase corrosion resistance
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D.
improve hardness and strength
Correct Answer:
D. improve hardness and strength
Explanation:
Molybdenum is primarily used as an alloying element in steel to significantly enhance its physical and mechanical properties. When integrated into steel, molybdenum improves its hardenability, overall strength, and toughness, particularly under high-temperature conditions. Additionally, it provides superior resistance to corrosion and wear, making it essential for demanding applications in industries like aerospace, automotive, and construction where materials must withstand extreme mechanical stress and harsh environments.
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