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Thank you all. Good tips, I will look into dimensional as material didn't reveal anything.

no its a brass casting fracture surface is shiny.

Here is another view.https://files.engineering.com/getfile.aspx?folder=d483586b-d4c1-4163-aa9c-1a277dd07788&file=Capture2.PNG

Hello, I am looking to see if anyone has seen something similar. This is a brass male nipple and it fractured on assembly as can be seen in the picture attached. Anyone seen threads fracturing in this manner before? Happened...

Does anyone know of a lab that conducts MIC testing for Stainless Steels? I want to test different coatings/alloys and was thinking of LPR/EIS with different Microbes.

Thanks, I really don't know how to specify the dielectric strength needed. Just want to break the electrical contact so I don't get galvanic action. I will look into and let you know how it worked. Thanks again!

Hi all, I am looking for a high strength dielectric washer (>100ksi yield) I have a test setup of Inconel to Steel in a Salt Spray chamber. I am aware of the potential for galvanic action and I am looking for a high strength dielectric. The force between Inconel and Steel will be max ~100ksi...

hi all, so, I am looking for a digital Xray inspection tool for metals with a resolution of~10 um. Any leads? Thickness is <3mm and I am looking for gas porosity in welds. I am in RnD so I would want to get good data ..meaning would like to know the location of the pores etc. The welds are...

Northern CA

I am looking to hire a consultant on 3D printing Titanium. Basically from the perspective of safety of powder handling. Anyone can recommend few leads?

Has anyone had any experience with DMLS? I am looking into putting quality control procedures for our suppliers and I have following questions noone seems able to answer: a) How often do you need to change the exhaust filters? b) How many times can you sieve and recycle the powder? There is a...

Hello, I want to melt some phosphor bronze alloy and they requested H04 grade. It is my first contact with this designation. Is it a heat treatment? If yes would you please recommend a place to find it? Or does it mean cold work? Thanks, HErc

Dear all, Is there any alloy that has come to your attention that is dezincification resistant and that it also lends itself to forging? Herc

I am looking for NSF 61 approved Adhesive for M grade rubber. Operating conditions 0 - 100F Any ideas? I have found Loctite 480 Prism instant adhesive so far. Any experience with that?

Actually I was thinking of the same thing. That way solidification may be somewhat directional. It may be hard to keep the mold together though as it is impossible to move the parting line. So I am not sure.. probably I d need to strap it. I also thought of using a copper pipe inside the core...

Dear all, Can anybody recommend a software for floor and process planning for foundry floors? I am designing a new process and I don't want to do it all on paper. I was hoping there is a sofware that can simulate various things like: Forklift bringing material from storage to the machine -...

Arunmao, I actually tried increasing the C to improve the expansion. That didn't work. And then I tried to increase pouring T, reduce pouring t to fill it fast before graphitization starts. I also tried pouring it slow... that didn't work either. The casting is a pipe and there is shrink...

I think the files are exported a XT but then the machinist manually inputs the cutting paths. So I guess my question is there. Can a software plan the cutting paths automatically?

Thanks all, Elcometer is the weapon of choice!

Dear All, Does anybody have any experience with toolpath automation in Mastercam? I am using solidworks and my pattern guy says that he has to rebuild the whole model with cutting paths in order to feed the program to the CNC. This appears to be the bottleneck to the process. Is there any...