⚗ Material Sciences

Alternative to Fused Quartz as Tube Material in Diffusion Furnace

Hello I'm designing a three zone oxidation- / diffusion furnace for my own, small semiconductor laboratory. The furnace...

1 comments posted 21yrs

posted by music

1 comments posted 21yrs posted by music

Moisture measuserment with microwaves

Hallo Ich suche Unterlagen über die Feuchtesmessung mit Mikrowellen. Dabei geht es mir sowohl um die Grundlagen als auc...

0 comments posted 21yrs

posted by theerink

0 comments posted 21yrs posted by theerink

ENCAPSULATED PIGMENTS, INCLUSION CERAMIC PIGMENTS

I would be very grateful if someone can tell me how to encapsulate iron oxide particles in silica matrix. I'm interestin...

0 comments posted 21yrs

posted by isc.bp

0 comments posted 21yrs posted by isc.bp

10 meg wmv9 of alum crystals growing

http://www.ohiovr.com/xfer/spock2.wmv -scott

0 comments posted 21yrs

posted by scott

0 comments posted 21yrs posted by scott

Science and Religion

Science and Religion If you're interested in science and in religion, and wish the two were more in agreement, you're i...

0 comments posted 21yrs

posted by Art D'Adamo

0 comments posted 21yrs posted by Art D'Adamo

Interesting Posers

1. A rubber string of cross section A is pulled by a force P along the axis. Comment on the normal stresses developed....

1 comments posted 21yrs

posted by vikram3

1 comments posted 21yrs posted by vikram3

What kind of rubber is this?

Hi folks. I wonder if someone here knows what kind of rubber is used to manufacture standard automotive motor mounts. I...

1 comments posted 21yrs

posted by fj40dana

1 comments posted 21yrs posted by fj40dana

Why they use "Gibbs Energy(G)" instead of "Entropy(S)"?

According to 'the 2nd law of thermodynamic', as you know, all reaction is moved to the direction of increasing entropy(...

4 comments posted 21yrs

posted by oys1979

4 comments posted 21yrs posted by oys1979

Acoustic Emission

For an acoustic events such as crack in a ceramic coating, is there any relationship between the amount of acoustic ene...

0 comments posted 21yrs

posted by eazap1

0 comments posted 21yrs posted by eazap1

High Tensile Strength Non-metallic Screws

Hi I am seaching for some high strength non-metallic screws. Just wondering which material offers the highest tensile st...

8 comments posted 21yrs

posted by pcywong

8 comments posted 21yrs posted by pcywong

CFR PLASTIC

Hi. My name's Nuno. I'm a post-graduated engineer wich works in Portugal. In fact I am very interested in structural pl...

1 comments posted 21yrs

posted by nuno_marques

1 comments posted 21yrs posted by nuno_marques

Wet etching of TiO2

Hi, all, Anyone here know how to wet etch TiO2? I just want to etch thin film of TiO2 to expose the bottom electrode. I...

0 comments posted 21yrs

posted by cissy_w_2000

0 comments posted 21yrs posted by cissy_w_2000

epdm (I think) glue?

Hello all. I'm working on a car that has a broken muffler mount. The part is constructed very much like a standard moto...

2 comments posted 21yrs

posted by fj40dana

2 comments posted 21yrs posted by fj40dana

how to adapt a .177 BB to a pellet rifle; no lead pollution of land

I am finding it more difficult than I thought. I now have 2 new pellet rifles but unable to find nonlead pellets and so...

15 comments posted 21yrs

posted by a_plutonium

15 comments posted 21yrs posted by a_plutonium

Application of sol-gel on SrFeO3

Hi, all, I currently face the problem of obtaining SrFeO3 solution. I wanted to get some thin films of SrFeO3 for my ex...

0 comments posted 21yrs

posted by cissy_w_2000

0 comments posted 21yrs posted by cissy_w_2000