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1 vote
0 answers
670 views

What makes silicone sticky?

I've read from 3M's Adhesion Science articles and this StackExchange question that there are three types of adhesion: chemical, physical, and electrostatic. I'm curious about what makes silicone ...
Annie's user avatar
  • 11
0 votes
0 answers
29 views

Effect of adhesive on ballistic fabrics

Adhesive is applied to "soft" ballistic fabrics (like kevlar or even fiberglass) in order to decrease bulge when being hit by a projectile. What would be the effect of gluing layers of ...
Alaychem goes to Codidact's user avatar
0 votes
1 answer
37 views

Why I require more force to slide covered notebooks over each other with water between them although water work as lubricant?

We have learnt when floor is wet we get slip as it reduce friction and work as an lubricant. But yesterday I take 2 notebooks which are covered by transparent sheet , than I pour little water on one ...
Suresh Chandra Pal's user avatar
3 votes
1 answer
245 views

How exactly do vinyl "static" clings work?

My son asked me this question today, and for the life of me, I can't come up with a good answer that even convinces myself. Vinyl "static" clings are those decorative pieces of vinyl that ...
Deepak's user avatar
  • 141
1 vote
0 answers
21 views

What is the term for 'clean fracture vector'?

Today I observed a builder demolishing a wall in a house. He knew how to hit it in exactly the right place, with the right amount of force, for it to cleanly break into three smaller pieces - along ...
hawkeye's user avatar
  • 861
11 votes
2 answers
1k views

Force problem related to adhesive and bonding

I have two PCBs (printed circuit board), and they are glued by adhesives, as show in the pictures. And the location of the adhesives are indicated on the picture (please notice that NO adhesive is ...
Delay No More's user avatar