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  1. A

    Heat treatment steel 4140 stress relief.

    Hello, everyone. I will be performing stress relief heat treatment on 4140 steel specifically for a part as shown in the image with these measurements. My question is, what thickness is appropriate for heating, since the standard tells me that it should be at least 1 hour per inch? And...
  2. A

    Measurement of gamma prime in superalloys.

    Greetings. Could any expert recommend a method for measuring the gamma prime fraction automatically or semi-automatically, thereby avoiding manual measurement? In my case, it is for a MarM247 superalloy blade. For example: Reference: Khodabakhshi, A., Mashreghi, A., Shajari, Y. et al...
  3. A

    Heat treatment of 17-4PH separately cast specimens

    Hi, I'm currently making a development about 17-4PH investment casting but I have some doubts about separately cast specimens for tensile and impact tests. Can I heat treated these specimens (diameter of 6.35 mm) in the same charge of pieces of castings? or do i need heat treated the...

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