Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: Maui
  • Order by date
  1. Maui

    New Patented High Speed Steel Alloys

    Lol - I see why aren't usually allowed to name things Ben! 😂
  2. Maui

    New Patented High Speed Steel Alloys

    I spent a LOT of time combing through the USPTO website reviewing trademarks before posting this discussion Ed. I can certainly trademark "AR" with the proper font if i choose to. So the trademark is not an area of great concern at this point. I'm still considering proper names. Tygerdawg...
  3. Maui

    New Patented High Speed Steel Alloys

    That's why I posted this discussion David - to see if anyone has any other suggestions for names.
  4. Maui

    New Patented High Speed Steel Alloys

    Do you think any of your former co-workers who are still there would have an interest?
  5. Maui

    What do all the useless engineering graduates do for work?

    Those who lack basic engineering skills and couldn't engineer their way out of a paper bag invariably seem to end up in business school to pursue an MBA. After graduation they are put in charge of teams of engineers and tell them what to do and how to do it. Think I'm kidding? I'm not.
  6. Maui

    New Patented High Speed Steel Alloys

    Mfgenggear, many of these grades would excel in gear cutting hob applications. I am looking forward to the very first field trials that will be conducted.
  7. Maui

    New Patented High Speed Steel Alloys

    Hi MintJulip. I was also thinking that way and was considering calling them RM 1, RM 2, etc.
  8. Maui

    Grain size v sharpness

    In general, no. There shouldn't be any correlation between the level of sharpness that can be achieved on the cutting edge of a tool and the prior austenitic grain size of the microstructure. The level of sharpness you require for a given application however depends on what you are doing. As you...
  9. Maui

    New Patented High Speed Steel Alloys

    A US patent was just issued in February of this year for a new family of super high speed steel alloys that I invented. You can read about them here: https://reardonmetals.com/ These grades are so new that they don't even have an official name yet. That's one of the reasons why I am posting...
  10. Maui

    Determining the Fracture Mode: Brittle Fracture vs. Fatigue in a Pump Shaft

    The area circled in red exhibits evidence of fatigue crack growth propagating from a stress riser at the surface that likely acted as an initiation point.
  11. Maui

    Is there a database to go from a materials analysis to a material?

    It sounds as though you are dealing with a stainless steel alloy containing approximately 12% chrome. Consult the tables and figures in chapter 12 entitled "Stainless Steels" of the hardcover book Metallurgy for the Non-Metallurgist, 2nd Edition.
  12. Maui

    Metallurgical & Materials PE Exam

    "Once upon a time the specialty steel companies had experts that you could talk to.But they have all been fired to save the CEOs bonus." Yes they have Ed. I'm one of them. So I decided to start my own company. I officially launched it in January of this year.
  13. Maui

    Metallurgical & Materials PE Exam

    I was 15 years out of school when I took the metallurgical PE exam 20 years ago. And I walked in cold. There was no review text available for this particular exam back then. An average of about 50 people across the United States took this exam in any given year, so about one person per state...
  14. Maui

    Failure of SS 316 stem in tension

    The fact that you are compelled to talk down to and denigrate anyone who offers any practical or useful advice to the OP, including those like myself who did recommend that it would be wise to perform a thorough metallurgical failure analysis, should serve as a red flag to others participating...
  15. Maui

    Failure of SS 316 stem in tension

    IM, I offerd my opinion based on the information that was provided. Feel free to offer yours if you disagree.
  16. Maui

    Failure of SS 316 stem in tension

    This appears to be a fatigue failure that initiated at multiple locations along the thread root. This is evidenced by the ratchet marks that can be seen on the fracture surface at the OD. The location of the final fracture region suggests that it is not a pure tensile failure. Rotating bendng...
  17. Maui

    PE Study Group

    There are roughly 50 people in the United States who take the metallurgy PE exam in any given year, or about one person per state on average. So finding a study group may be difficult to do. I took the exam back in 2004 when I was 40, and passed on the first try. I read a little bit from some...
  18. Maui

    Update from an OLD post on 40 year old engineering student thread730-439198

    Congratulations! Can you link the old thread for those who may not have seen it? Maui
  19. Maui

    Determining the orientation of a forged ASTM A350 Grade LF2 Class 1 Flange

    Examination of the microstructure should easily reveal the orientation of the flange as it was manufactured. Just look at the flow lines. Maui
  20. Maui

    Global warming is over!!!

    I actually had to read that twice to be sure that you weren't joking. Seriously??

Part and Inventory Search

Back
Top