Alloying steel with nickel generally imparts what effect___________________?
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Answer: D. gives ductility, toughness, tensile strength and anticorrosion properties
Explanation
Alloying steel with nickel modifies its crystalline microstructure to enhance mechanical performance attributes. Nickel additions significantly improve ductility, impact toughness, and ultimate tensile strength. It also contributes valuable anticorrosion properties, making the alloy suitable for harsh operating environments. Nickel dissolves substitutionally in the iron matrix, stabilizing the austenite phase at lower temperatures. This solid-solution strengthening improves toughness without causing excessive brittleness in the steel alloy. Stainless and structural steels frequently incorporate nickel to balance strength and corrosion resistance.
Nickel-alloyed steels are widely used in chemical processing equipment, marine hardware, and aerospace components. Structural parts subjected to sub-zero temperatures require nickel to prevent brittle fracture failures. Engineering components demanding high reliability in corrosive environments rely heavily on nickel additions. Wear resistance and cutting ability are primarily enhanced by carbon, tungsten, and chromium additions. Grain size refinement and reduced carburization tendency describe specific effects of other alloying elements. Improved cutting ability and reduced hardenability contradict the actual metallurgical effects of nickel.
- Subject
- Engineering
- Category
- Mechanical Engineering
- Topic
- —
- Difficulty
- medium
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