Age-hardening, also known as precipitation hardening, is a type of heat treatment that is used to increase the hardness and strength of certain materials. It is related to:

1. Duralumin: Duralumin is an alloy of aluminum (over 90%) with copper (about 4%), and small amounts of manganese and magnesium. It is one of the main materials that undergoes the age-hardening process. After being quenched (heated and then rapidly cooled), it is left to age at room temperature or at slightly elevated temperatures, which causes precipitates to form and strengthen the material.

2. Stainless Steel: Some types of stainless steel, such as 17-4 PH, can be age-hardened. The process increases the material's hardness and strength.

3. German Silver: Also known as nickel silver, this material does not typically undergo age-hardening. It is a copper alloy with nickel and often zinc.

4. Gun Metal: This is a type of bronze, an alloy of copper with tin and often zinc. It does not typically undergo age-hardening.

5. Cast Iron: Cast iron does not undergo age-hardening. Its properties are instead changed through other types of heat treatment, such as annealing or normalizing.

So, age-hardening is related with Duralumin and some types of Stainless Steel.

Question

Age-hardening, also known as precipitation hardening, is a type of heat treatment that is used to increase the hardness and strength of certain materials. It is related to:

1. Duralumin: Duralumin is an alloy of aluminum (over 90%) with copper (about 4%), and small amounts of manganese and magnesium. It is one of the main materials that undergoes the age-hardening process. After being quenched (heated and then rapidly cooled), it is left to age at room temperature or at slightly elevated temperatures, which causes precipitates to form and strengthen the material.

2. Stainless Steel: Some types of stainless steel, such as 17-4 PH, can be age-hardened. The process increases the material's hardness and strength.

3. German Silver: Also known as nickel silver, this material does not typically undergo age-hardening. It is a copper alloy with nickel and often zinc.

4. Gun Metal: This is a type of bronze, an alloy of copper with tin and often zinc. It does not typically undergo age-hardening.

5. Cast Iron: Cast iron does not undergo age-hardening. Its properties are instead changed through other types of heat treatment, such as annealing or normalizing.

So, age-hardening is related with Duralumin and some types of Stainless Steel.

Knowee AI · Accepted Answer

Age-hardening, also known as precipitation hardening, is a type of heat treatment that is used to increase the hardness and strength of certain materials. It is related to:

1. Duralumin: Duralumin is an alloy of aluminum (over 90%) with copper (about 4%), and small amounts of manganese and magnesium. It is one of the main materials that undergoes the age-hardening process. After being quenched (heated and then rapidly cooled), it is left to age at room temperature or at slightly elevated temperatures, which causes precipitates to form and strengthen the material.

2. Stainless Steel: Some types of stainless steel, such as 17-4 PH, can be age-hardened. The process increases the material's hardness and strength.

3. German Silver: Also known as nickel silver, this material does not typically undergo age-hardening. It is a copper alloy with nickel and often zinc.

4. Gun Metal: This is a type of bronze, an alloy of copper with tin and often zinc. It does not typically undergo age-hardening.

5. Cast Iron: Cast iron does not undergo age-hardening. Its properties are instead changed through other types of heat treatment, such as annealing or normalizing.

So, age-hardening is related with Duralumin and some types of Stainless Steel.

Age-hardening is related withstainless steelgun metalgerman silverduralumincast iron.

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