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Old Yesterday, 02:20 PM   #191 (permalink)
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What is the physical structure of these lubricant[ candidate]s? I rather imagine platelets sliding across each other. Do any of them approximate little ball bearings? Because B40 does.



I am struggling to model this in Blender. The seven-sided faces are not planar. Maybe there is a way to describe it with Procedural Nodes.

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Old Yesterday, 03:29 PM   #192 (permalink)
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My 99 corolla smoked a ton when we first got it. Roughly 312,000 miles. We ran it a while and it smoked up the whole neighborhood at idle and didnt stop. I thought it was too worn out to save and required a rebuild or replacement but we dumped seafoam and transmission fluid in the oil. A whole bottle of seafoam in the oil a whole quart of trans fluid went in too. (Way too much in my opinion but what have we got to lose. The engines already bad) I think we may have put a bottle of seafoam in the fueltank as well.

Quote:
It smoked an insane amount and we idled it for days after dumping seafoam, trans fluid and what ever else we could find into the engine. It finally loosened up and quit smoking as much. I drove it down to florida...
https://ecomodder.com/forum/showthre...ead-41650.html

It quit smoking at idle and became a usable engine after we did that. It still smokes some at full throttle and coasting down long hills when torque converter is engaged but thats nothing compared to what it was. I daily it and its at 382,000 miles currently.

I used to use transfluid in my 1998 corollas engine. It was tired and old. It seemed to help. It burnt a lot of oil. When i had the valve cover open its pretty clean. I havent used any of that in my dakota's engine and its kinda dirty and sludgy. I may try that next.
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Old Today, 06:36 AM   #193 (permalink)
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Quote:
Originally Posted by freebeard View Post
Since everyone ignored #176, I took it upon myself to ask DDG:
duckduckgo.com/?q=B40+Boron+allotrope+as+lubricant&ia=web
The first link 404'd but then there is this:

onlinelibrary.wiley.com: Article
Lubrication potential of boron compounds: An overview
R. B. Choudhary, P. P. Pande
First published: 07 March 2006 Citations: 34


Since I don't care as much as all y'all, I didn't get any further than the Abstract


But wait! First link under images:
www.slideshare.net/slideshow: Manufacture and characterization of Boron Oxide solid lubricant
Jan 20, 2017 -- Jose Gaviria



For the visually stimulated:


www.slideserve.com:
The Functional Attributes and Utilization of Borates in Lubrication Nanotechnology


Now this has my attention. Can you see why I'm fascinated by this figure? It's not the rare Snub Truncated Octahedron because it has seven-sided openings:


https://external-content.duckduckgo....df3&ipo=images

I can find all that and I don't even know what a pin test is.
Thx freebeard

The complete 1st paper is here:
https://sci-hub.ru/https://onlinelib.../ls.3010140208

This, to me, looks to be a rabbit hole that will take some time...

As for your second link:
Yes I see why you like it from the pics! but not looked further yet.


Last edited by Logic; Today at 06:43 AM..
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