Debbie Aliya - Failure Analysis | Industrial Heating Experts Speak Blog

How Do You Know What You Think You Know? (part 2)

Debbie Aliya

July 13, 2010

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Last week, we asked about a familiar image. Can you see the hag? Can you see the beautiful lady?

How Do You Know What You Think You Know?

Debbie Aliya

July 6, 2010

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Do you ever wonder about whether what you know is right? Most of us don’t, unless we run into something that forces us to re-evaluate things.

Microfractography Interpretation (part 3)

Debbie Aliya

June 24, 2010

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Sometimes, evaluation of fracture surfaces in the scanning electron microscope reveals features that do not easily fall into any of the classical crack categories.

What Metallurgical Testing Can, Cannot Reveal (part 1)

Debbie Aliya

May 21, 2010

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Some people today have trouble telling the difference between science, technology and magic.

Microfractography Interpretation (Part 2)

Debbie Aliya

March 23, 2010

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Figure 2 Figure 2 shows one of the most classical cleavage, or transgranular cracks, that I have ever found in a broken part. The red arrows highlight parallel sets of

Microfractography Interpretation (Part 1)

Debbie Aliya

March 16, 2010

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Most of the failure analysis we have been talking about on this blog so far is about fractography and, specifically, about fractography that relates to the macro scale

Understanding the Value of Through and Case Hardening of Steels (Part 3)

Debbie Aliya

February 4, 2010

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Now, here is where the idea of case hardening comes in.

Understanding the Value of Through and Case Hardening of Steels (Part 2)

Debbie Aliya

January 22, 2010

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If, for now, we look at the “classical worst case,” or the outer fiber stress, y is 5.

Understanding the Value of Through and Case Hardening of Steels (Part 1)

Debbie Aliya

January 8, 2010

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“Everyone knows” that heat treating steels with a quench-and-temper process can make them stronger.

What is Corrosion Fatigue? (Part 2)

Debbie Aliya

November 20, 2009

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Before closing our discussion from last week, I will share some examples to illustrate the differences between normal ambient-temperature “corrosion-assisted fatigue” and “boiler-lingo corrosion fatigue.”