⚗ Material Sciences

Cracks detection in multilayers ceramic condenser

Hi, I'm searching a way of test to identify cracked condensers on a production line. We use X7R ceramic with nickel ele...

5 comments posted 21yrs

posted by Bonneole

5 comments posted 21yrs posted by Bonneole

For Sale - Landolt Borstein 6th Edition

I am in the process of reducing the size or my personal library. I have an original 10 volume 6th edition of Landolt-Bo...

0 comments posted 21yrs

posted by radra

0 comments posted 21yrs posted by radra

PMMA and Resist developer

Hi, Iam a grad student at Univ of Kentucky. Iam working on PMMA. I would like to know if positive resist developer MF-3...

0 comments posted 21yrs

posted by sandhyapochiraju

0 comments posted 21yrs posted by sandhyapochiraju

Optical Cement/Adhesive

I need to join a plano-plano interface between two filters, and I'm wondering what the best optical adhesive would be....

7 comments posted 21yrs

posted by nospam

7 comments posted 21yrs posted by nospam

a stainless silver vice a stainless steel; some progress towards

It was months ago when I started threads in sci.chem about silver and silverware and the making of a Stainless Silver....

2 comments posted 21yrs

posted by a_plutonium

2 comments posted 21yrs posted by a_plutonium

Looking for a Jominy fixture

I am looking for a source (supplier) of a Jominy hardenability testing fixture.

3 comments posted 21yrs

posted by alaincouture

3 comments posted 21yrs posted by alaincouture

Metals Research Servomet Spark Machine

Hi, Does anybody have such a machine in their lab? If so I would like to ask you about your experiences with it, access...

0 comments posted 21yrs

posted by news

0 comments posted 21yrs posted by news

Whats the strongest all purpose glue available?

anyone know what the strongest "general perpose" glue available is? thanks.......A

2 comments posted 21yrs

posted by newsgroupaddress

2 comments posted 21yrs posted by newsgroupaddress

Sorting By Weight? Creative Solutions?

I have what I think is an interesting problem, but I feel that it has probably been solved somewhere else out there. Ma...

3 comments posted 21yrs

posted by timmunz68

3 comments posted 21yrs posted by timmunz68

Material suggestion for brazing fixture, Please?

We braze tungsten carbide and ceramics at about 1500 F. We are looking for a rod we can use to move parts around at the...

2 comments posted 21yrs

posted by president

2 comments posted 21yrs posted by president

Iridium

I've read that iridium is used in the impact shielding of radioisotope thermoelectric generators (RTG) on spacecraft be...

4 comments posted 21yrs

posted by slimjim

4 comments posted 21yrs posted by slimjim

Which material is asteroid - proof ???

I want to build a house on the moon, but because of the lack of atmosphere, asteroids can hit my house and hurt me. So w...

1 comments posted 21yrs

posted by mist_distance

1 comments posted 21yrs posted by mist_distance

Polishing Acrylic Surface Prior to Bonding

hi I need to bond two acrylic sheets at the faces (not edges) to make a thicker piece. As the acrylic sheets were mille...

3 comments posted 21yrs

posted by pcywong

3 comments posted 21yrs posted by pcywong

Re - Can we now build the space elevator?

In the post copied below I discussed tying together nanotubes to get arbitrarily long nanotubes. If simply tied togethe...

11 comments posted 21yrs

posted by rgregoryclark

11 comments posted 21yrs posted by rgregoryclark

inherent cost for photo-voltaics?

Can you think of any inherent reason that photo-voltaic cells must be costly? I cannot. Processing costs are high for t...

1 comments posted 21yrs

posted by dmartin

1 comments posted 21yrs posted by dmartin