Electroplating

Question 1

Purpose

Answer 1

-used for a layer of material to bestow desired property (e.g abrasion and wear resistance, corrosion protection, lubricity, aesthetic qualities, etc.) to a surface that otherwise lacks the property.

Question 2

purpose 2

Answer 2

-Some metals are recognized for their strength and their durability, while others are better known for their visual beauty

Question 3

purpose 3

Answer 3

-when both qualities are desired, it is possible to coat a strong metal, such as gold or silver.

Question 4

purpose 4

Answer 4

-another application uses electroplating to build up thickness on undersized parts

Question 5

purpose 5

Answer 5

• it is used to economically change the physical appearance of substances

Question 6

examples in manufacturing

Answer 6

1. ) manufacture mirrors- plate with silvers (Sliver Lab- plating)
2. ) jewelry and Watch- silver and gold plating
3. ) silverware- silver plating
4. ) machinery- strengthen flexible metals like steel with chromium, nickel, or copper
5. ) electronics- to carry current and/or for corrosion resistance using nickel plating
6. ) electronic circuits- gold plated
7. ) engine bearing- plated with silver
8. ) galvanized nails- nickel or zinc plating to prevent corrosion
9. ) steel cans- plate with tin for better storage
10. ) truck bumpers- strengthen flexible metals like steel with chromium, nickel, or copper

Question 7

electroplating def

Answer 7

a process of depositing a thin layer of a fine and more superior metal (like chromium, zinc, nickel, gold, etc.) over the article of a base and cheap metal (like copper and iron), often to help with the electric current

Question 8

things to remember while electroplating

Answer 8

• roughen the surface
• anode (acting as a cathode) you use to plate must already be in electrolytic bath (replenishing)
• object must be the anode for it to react