⚗ Material Sciences

data for twin-wall poly versus sealed glass versus single pane?

I have a south-facing covered flafstone patio that would be ideal for collecting solar heat in the winter. I would like...

0 comments posted 21yrs

posted by botfood

0 comments posted 21yrs posted by botfood

Annealing Oven for Acrylic / PMMA / Perspex / Plexiglas - Searching for Parts

I'm looking to build an annealing oven for Acrylic / Perspex / Plexiglas / PMMA. Nothing fancy just functional, I'm int...

2 comments posted 21yrs

posted by grant.linscott

2 comments posted 21yrs posted by grant.linscott

Vacuum metal evaporating and coating

I have the method for evaporating of metal in high vacuum. Metal material for evaporating is a wire(like CO2 welding)....

1 comments posted 21yrs

posted by ivan.minarovic

1 comments posted 21yrs posted by ivan.minarovic

Qwerty structure

Just thought this might be of interest to anyone who uses a qwerty keyboard. The transposition of the letters dfjk with...

0 comments posted 21yrs

posted by skearney

0 comments posted 21yrs posted by skearney

Precipitant Uranium

I was reading about the Abrams main battle tank, http://www.enemyforces.com/tanks/m1a1abrams.htm and the article said th...

0 comments posted 21yrs

posted by glhansen

0 comments posted 21yrs posted by glhansen

Drilling Ceramic

I need to drill an array of holes in a ceramic (Macor) plate. Each hole will be drilled from both sides, not breaking t...

13 comments posted 21yrs

posted by nospam

13 comments posted 21yrs posted by nospam

which material

quel matériau protège le nez de la navette spatial de l'échauffement se produisant lors de la rentrée dans l'atmosphère?

7 comments posted 21yrs

posted by wuying1981

7 comments posted 21yrs posted by wuying1981

Nano Material Processing Breakthrough

NANO-ELEMENTS, LLC Announces Breakthrough Method for Economical Production of Nano-Particles. Our new technology delive...

1 comments posted 21yrs

posted by nanoelements

1 comments posted 21yrs posted by nanoelements

Worm gear material

Does anyone know the chemical composition and mechanical properties of Rd65 VL22 Copper alloy. Or where I could get it...

12 comments posted 21yrs

posted by m.colenutt

12 comments posted 21yrs posted by m.colenutt

Ferrroelectric Dipole Dielectrics for Optics / Data Storage

http://colossalstorage.net/ Posted Via Usenet.com Premium Usenet Newsgroup Services -----------------------------------...

0 comments posted 21yrs

posted by fedrive

0 comments posted 21yrs posted by fedrive

HIGH temperature thread sealant.

Has anyone any ideas about a suitable thread sealant to make an M8 thread on a boron-nitride tube gas tight in a stainl...

17 comments posted 21yrs

posted by steve

17 comments posted 21yrs posted by steve

painted airtight windowscreen

Anybody tried to use painted airtight windowscreen(fiberglass or nylon?)as a flat surface covering material? I have loo...

1 comments posted 21yrs

posted by amorrisonca1

1 comments posted 21yrs posted by amorrisonca1

Autoclve/Vacuum Casting Tank for sale

We are selling a large vacuum tank that we no longer have a need for. This tank is very suitable for Composite Parts or...

0 comments posted 21yrs

posted by niederwalluf

0 comments posted 21yrs posted by niederwalluf

Commercial product for pourable foam molded parts?

This is probably far from the norm for this NG however; I am seeking a brand name or research lead for a commercial foa...

2 comments posted 21yrs

posted by richard

2 comments posted 21yrs posted by richard

How about a good old "meat thermometer"?

Would a meat thermometer give me accurate measures of the surface temperatures generated by one of these electric heati...

0 comments posted 21yrs

posted by garystuartkaplan

0 comments posted 21yrs posted by garystuartkaplan