This topic contains a solution. Click here to go to the answer

Author Question: What are thermal stresses and how are they caused in plastic materials? How can they be relieved? ... (Read 12 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
What are thermal stresses and how are they caused in plastic materials? How can they be relieved?
 
  What will be an ideal response?

Question 2

What is the molecular difference between thermoset and thermoplastic materials?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frankwu0507

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

Thermal stresses are energy concentrations that are retained in a material resulting from the inability of the material to change shape as would normally occur upon cooling or heating. These thermal stresses can be relieved by slowly heating the material to a moderate temperature

Answer to Question 2

The thermoset materials are crosslinked and thermoplastics are not. This crosslinking raises the total length




kfurse

  • Member
  • Posts: 590
Reply 2 on: Aug 19, 2018
:D TYSM


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library