• Heat Treating Resources

  • More Resources

    For those looking for more details and specs to back up the concepts presented by Integrated Heat Treating Solutions throughout this website.

    Glass Can Be Made Stronger than Steel

    This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series. This demonstration is intended for and should only be performed by certified science instructors in a safe laboratory/classroom setting.

    How Residual Compressive Stresses are Made

    A great animation that shows how residual compressive surface stresses are made.

    Compressive Surface Stresses Stop a .38 Special

    Watch as a bullet is shattered by a Prince Ruperts Drop - an example of compressive surface stresses at work.

    AK-47 vs. Prince Ruperts Drop

    Another compressive surface stresses example - this time vs. an AK-47!

    Traditional 20th Century Heat Treating

    This short clip shows a 1 inch diameter heated rod (1600°F) then quenched in a beaker of still water. The non-uniformity in quench cooling is obvious. The footage was slowed to show the transitions in the different phases of quench cooling as they take place at the part surface. The first phase is a vapor blanket of steam (film boiling); this slow cooling phase gives way sporadically to the next phase of cooling with tiny bubbles that provide very fast evaporative cooling (nucleate boiling). The third phase of quench cooling finally ends in uniform “convection cooling” with no boiling. The third phase of cooling continues until the rod reaches temperature equilibrium with the quenchant water.


    The combination of red hot spots (slow cooling), next to the cooler dark spots with fast cooling rates means non-uniform, unpredictable size changes to the part (distortion) and possible part cracking.

    21st Century Heat Treating - Intensive Quenching

    This clip shows the 21st Century “uniform and intensive” water quench of a hot part (~ 1600F) in a part-by-part intensive water quenching system (IQ-2™).


    The IQ-2 system has a very intensive water flow (5 to 20 meters per second)* over the hot part surface. All it takes is a few seconds of intensive water flow that immediately eliminates any of the boiling at the surface of the part and hardens the part shell while the core is still red hot. The uniform and intensive cooling creates a cold hardened shell (called Martensite), that holds the part shape (like a “die”) while the “layers of the onion” below the shell and hot core cool by very uniform conduction through this cold, hard shell. Once the shell is uniformly “set” for each particular part, every part hardened in the system will emerge from the quench with a predictable size change. Since the size change is predictable, the part shape before heat treating can be adjusted so it transforms in the quench to the desired net shape – effectively eliminating distortion. IHTS calls this Quench2FIT™ Technologies.

    A Comprehensive Presentation Deck from Joseph Powell, President of IHTS

    For those who are interested in even greater detail about the 21st century heat treating process and results, download this comprehensive, 56-page presentation deck.


    [Please contact us with questions or if you think IHTS can help add value to your business.]





    An Interactive History of Metallurgy

    From our friends at Bodycote

    It is said: If we don’t know our history we are doomed to repeat it. (See the attached interactive history from our friends at Bodycote.)


    One reason heat treating metallurgies are so fragmented is the separation between the part designers and their heat treaters.


    Both captive and commercial heat treaters are often not fully engaged with part designers until after the material alloy for the part has been selected, the part’s FEA modeling is done, and the part has been “thrown over the wall” to the heat treaters to practice their “black arts!”


    Only if the heat treated part does not meet the mechanical properties, or the parts are failing in the field, do the part designers and their heat treaters begin their collaborations. If the captive heat treating department does not perform the optimal heat treatments, or their local commercial heat treater does not have the optimal equipment to do the job, part makers (and their purchasing department) will often settle for “good enough” - their “low cost” and “tried and true” heat treatments from their 20th Century play books.


    IHTS offers part makers a better way – lean Integrated Heat Treating Solutions for 21st Century part makers.

    Let our Value Champion Teams lead the way to more added value from heat treatments for your products end users.



    Heat Treat Radio: Rethinking Heat Treating for the 21st Century with Joe Powell (Part 1 of 4)

    "I am a commercial heat treater who believes that part design should be integrated for heat treating by the part-maker. It’s a nuance, but what it really boils down to is that sometimes commercial heat treaters do it best, but sometimes the part-maker can do it better." - Joe Powell



    Heat Treat Radio: Rethinking Heat Treating (Part 2 of 4) - 18" Bevel Gear

    Heat Treat Radio host, Doug Glenn, discusses how one company saved over $700.00 in hard grinding costs PER GEAR on an 18-inch bevel gear. Joe Powell of Integrated Heat Treating Solutions tells how they did it. Listen to find out how Joe helped this company upgrade their heat treating and bring it into the 21st century.



    Heat Treat Basics: What's Happening to Metals During Heat Treatment

    An excerpt: “Not every steel reacts the same. Chemical composition can vary greatly between the different grades of steel. Certain alloying elements can greatly increase the hardenability of steels such as nickel (Ni), chromium (Cr) and molybdenum (Mo). Hardenability is not how hard a material is. Hardenability directly relates to the ability of a metal to form martensite and martensistic [sic.] structure upon quenching, which points to…”



    Heat Treat with New Techniques: Using Micro-Ingots in Steel Production

    An excerpt: “This micro-ingot approach, when combined with newer heat treatment technologies, can lead to a redesign of the current macro-ingot products that can potentially help to reduce the weight of the finished product resulting in a longer product life span.”



    IQDI® - A new way to heat treat ductile iron!

    IQDI® Products use Dura-Bar® continuously cast ductile iron that is hardened and tempered using the Intensiquench® process. "Intensively Quenched Ductile Iron" provides unique mechanical properties.


    Heat Treat Radio: Rethinking Heat Treating (Part 3 of 4) - The Fracking Pump Valve Seat

    And, because we use no oil, we don’t have to wash the parts and we don’t have to worry about disposing of quench oils or about quench oil fires. And, the process can be done in the machining cell, so it’s an in-line process versus a batch carburizing process that has to go someplace for 20 hours to be carburized.

    DG: Significant. I think you threw out a dollar figure when we spoke about this previously. What are the savings per valve seat?

    JP: With the valve seat, the forging and the 20 hour carburizing cycle are eliminated, and it’s machined three times faster. One customer let slip that they were saving about 66% on the material cost.



    Heat Treat Radio: Rethinking Heat Treating (Part 4 of 4) - Direct from the Forge

    IHTS offers consulting and systems to facilitate direct from the forge quenching!

    DG: I would like to wrap up by saying this too, there are a large number of people who are in the Heat Treat Today audience that I think ought to be interested in this. Basically, anybody who is a captive heat treater, manufacturer with their own in-house heat treat who is doing oil quenching, or anything of that sort, and currently doing it in batch, ought to be thinking about contacting Joe to see if they can eliminate that batch process and put the heat treat directly in line. Those are manufacturers.



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