⚗ Material Sciences

question on polyurethane foams

Hi everyone, I am new in this field. I was wondering if anyone can give me an example of the detailed composition of th...

3 comments posted 22yrs

posted by nuaa215

3 comments posted 22yrs posted by nuaa215

Re: Platinum heater

>I am a student attempting to manufacture thin film heaters by depositing >platinum on a ceramic base. My heaters keep...

1 comments posted 22yrs

posted by dingbat

1 comments posted 22yrs posted by dingbat

Questions on PETE

I have some plastic soda bottles (polyethylene terephthalate) which I would like to convert to flat panels for a projec...

3 comments posted 22yrs

posted by ttk

3 comments posted 22yrs posted by ttk

Re: Properties of melted tire rubber

> Date: Sat, 28 Jun 2003 08:23:52 +0100 > >Is this of any use > >http://www.dot.ca.gov/hq/esc/Translab/pubs/Caltrans_As...

0 comments posted 22yrs

posted by ttk

0 comments posted 22yrs posted by ttk

Need polar STP supercritical phase

Is there an STP supercritical? It would have to be contained anyway, I know. But anything near STP, and polar, would ma...

0 comments posted 22yrs

posted by dgoncz

0 comments posted 22yrs posted by dgoncz

help:simulation of crack propagation in concrete

hello friends, i am masters student from germany,i am doing my thesis in the simulation of crack propagation in concret...

0 comments posted 22yrs

posted by raghu3099

0 comments posted 22yrs posted by raghu3099

tensile strength or shape modification due electrical current

Do anyone here had listen something about any material having a condition of increasing or decreasing tensile strength...

2 comments posted 22yrs

posted by urbana

2 comments posted 22yrs posted by urbana

HELP-Synthesis Issue

I need to learn how to make Tb oxide. I have metallic Tb that I have been firing @ ~(1000-1100)°C for a while to oxidze...

0 comments posted 22yrs

posted by slappy_max

0 comments posted 22yrs posted by slappy_max

Artificial Diamond

I seem to recall Uncle Al was working on making inexpensive Diamonds using "Devil Solvent", seems like two commercially...

2 comments posted 22yrs

posted by mlclan

2 comments posted 22yrs posted by mlclan

Paradox of Connors & Berczik > Any technological forecasting ?

It is a bitter irony that a spineless coward Zoltan Berczik sort of pioneered the real top spin revolution & what happe...

0 comments posted 22yrs

posted by robo_____---

0 comments posted 22yrs posted by robo_____---

handle on pots, rivets & strength

I have a Wolfgang Puck 6 liter pot with 2 handles and I am guessing the fastener is called a rivet. Two rivets for each...

14 comments posted 22yrs

posted by a_plutonium

14 comments posted 22yrs posted by a_plutonium

What P stand for?

Often, the letter P is used to designate force. I wonder what P is abbreviated from. Thank you.

7 comments posted 22yrs

posted by skailup

7 comments posted 22yrs posted by skailup

residual stress measurement by x-ray diffraction

How can I calculate residual stress in X-ray diffraction? I'm not only have a problem with the mathematical model but a...

4 comments posted 22yrs

posted by andoko_aribowo

4 comments posted 22yrs posted by andoko_aribowo

Energy absorption of foam

Hi, I am faced with a little problem. I have a pyramid (or another shape) in foam. I know its impact compression (stres...

3 comments posted 22yrs

posted by jbrodel

3 comments posted 22yrs posted by jbrodel

Painting PVC pipes

Can anyone recommend which paint to use to paint PVC pipes? The paint should be as durable as possible. Thanks, Chuck

3 comments posted 22yrs

posted by chucknntp

3 comments posted 22yrs posted by chucknntp