Latest News and Application Notes

Human vs Machines: Hardness Testing with the AMH55

June 10, 2022

Does automated hardness testing software really provide that much of an advantage over manual methods? LECO's Cornerstone-based AMH55 system takes the human variance out of the process, making it fast, precise, and accurate, but just how much variance is actually involved? LECO decided to put it to the test, pitting seven humans of varying metallographic experience against the AMH55.

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Start to Finish at the Shows

April 8, 2022

LECO is heading back to the show floor!

Are you attending the Cast Expo in Columbus, Ohio, from April 23 to April 26? Stop by Booth #2016 to meet our instrument experts and get answers to your metallographic questions!

Heading to AIST in Pittsburgh, Pennsylvania, from May 16 to May 19, instead? LECO will be at Booth #505!

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Clinker Concerns: A Metallographic Analysis of Cement

January 14, 2022

There is no question about it: concrete is the most ubiquitous and versatile building material in the world. While the basic recipe is simple—cement, aggregate, water, and air—the variations and additions to this recipe can create infinite types of concrete. Knowing that your concrete is capable of withstanding the forces that will be acting upon it is vital to the success of any concrete construction process.

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Seeing Clearly through Lucite with the MX-Series

November 12, 2021

If all you need for your mount is a uniform shape to hold your sample, Bakelite or epoxy would work just fine. It's simply a matter of finding the mounting material that works best with the sample material. But if you need a mounting material that lets you see the sample mounted within, there is no better choice than Lucite.

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Iron and LECO: 85 Years of Analysis

October 22, 2021

Elements Newsletter recently published an infographic of all of the metals mined from the earth in 2019, and the numbers were staggering. 3,248,814,334 tons of metal were mined, of which 3,040,000,000 tons were iron ore. Nearly 94% of all of the metal mined in 2019 was iron, and nearly that percent of the iron has been, in some way, touched by LECO.

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Building Strong Foundations Webinars

September 3, 2021

No matter where you are in the urban landscape, you are never more than a few feet from cement. Cement forms the basis of virtually the entire world’s infrastructure. It is an impressively cheap binder that enables a wide variety of building materials. Despite its ubiquity, it is a surprisingly complex mixture of a balance of ingredients such as lime, silica, alumina and more. Knowing what is in your cement is a fundamental check of its quality and strength.

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See You at the Shows!

August 20, 2021

Fall is just around the corner, and here at LECO we're gearing up to take our instruments on the road. Check out the shows we're excited to be appearing at in-person this year and make your plans to come by for a visit!

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LECO's Metallography Training Class Schedule for 2021

June 18, 2021

We want to give you all the tools you need to succeed in your lab, and this means being there for you each step of the way—even after the sale. We’re here to show you exactly how to use your new instrument to its full potential or learn more about topics of interest. In our metallography customer training classes, you’ll get hands-on lab experience in our state-of-the-art training facilities and learn about an array of topics specific to your recent instrument purchase or laboratory needs, ranging from daily operation to troubleshooting and using advanced features.

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Measured Science: A LECO Podcast

May 7, 2021

LECO recently said farewell to our former Corporate Metallurgist, Dave Coulston. Anyone who worked with our metallographic experts in the past fifteen years undoubtedly got to experience his expertise. In honor of Dave's retirement, we welcomed him onto LECO's podcast: Measured Science.

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Focusing on the Field of View

May 7, 2021

VX4

When magnification was as simple as one eyepiece and one objective, finding your total magnification was as easy as multiplying the two values together. The addition of film brought a third value to the equation, but the result remained a static, concrete number.

And then along came the computer.

With a huge variety of video camera chips and monitor sizes and camera couplers and screen resolution, suddenly viewing something at 500X magnification became much more challenging. There was no way to take into account all of the permutations possible. For example, even if two systems were otherwise exactly the same, but one had a 23" monitor and the other had a 24" monitor, the magnification would be different.

It was time to replace the magnification focus with a different way of looking at things: the Field of View (F.O.V.)

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