Metalleigenschaften und deren Anwendungen

Aluminium (Al)

• Increases resistance to oxidation.
• Used as a deoxidizer.
• Combines with nitrogen in nitriding steels to form aluminum nitride (AIN).
• Improves grain fineness and hardness.

Chrom (Cr)

• Increases hardness, tensile strength, heat resistance, oxidation resistance, and corrosion resistance.
• Non-rusting above 13% concentration.

Kobalt (Co)

• Increases tensile strength, hardness, and cutting ability.
• Decreases ductility and sensitivity to overheating.

Kohlenstoff (C)

• Increases tensile strength (approximately 90 N/mm² per 0.1%) and yield strength (approximately 45 N/mm² per 0.1%).
• Improves hardness.
• Good weldability up to 0.2%, hardening above 0.3%.

Mangan (Mn)

• Increases tensile strength, yield strength (approximately 100 N/mm² per 1%), toughness, and wear resistance.
• Decreases machinability and cold workability.
• Prone to coarse grain formation at high temperatures.
• Sensitive to overheating and over-aging.

Molybdän (Mo)

• Increases tensile strength, hardness, heat resistance, wear resistance, hardenability and tempering resistance.

Nickel (Ni)

• Increases tensile strength, ductility, hardenability, heat resistance, and corrosion resistance.
• Decreases machinability, deep drawing ability, and electrical conductivity.

Phosphor (P)

• Increases tensile strength, susceptibility to brittle fracture, corrosion resistance, and castability.
• Decreases formability and impact strength.

Schwefel (S)

• Increases chip sensitivity (machinability).
• Decreases formability, weldability, and forgeability.

Silicium (Si)

• Increases tensile strength and yield strength (approximately 100 N/mm² per 1%), and hardness.

Stickstoff (N)

• Decreases machinability, weldability, and forgeability.
• Improves yield strength, tensile strength, hardness, wear resistance, and heat resistance.
• Decreases cold workability and promotes aging.

Vanadium (V)

• Increases tensile strength, hardness, heat resistance, and tempering resistance.
• Decreases machinability, cold workability, and sensitivity to overheating.

Wolfram (W)

• Increases tensile strength, yield strength, hardness, corrosion resistance, heat resistance, and cutting ability.
• Decreases formability, forgeability, and machinability.

Dieser Quiz behandelt die Eigenschaften und Anwendungen von verschiedenen Metallen wie Aluminium, Chrom, Kobalt, Kohlenstoff, Mangan und Molybdän. Es bietet Einblicke in deren Mechanismen zur Verbesserung der Festigkeit und Widerstandsfähigkeit. Teste dein Wissen über die chemischen und physikalischen Eigenschaften dieser wichtigen Elemente.