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20 Apr

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Nickel and nickel alloy: metallographic preparation

• 20 April 2022
• By Presi

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Nickel and Nickel alloys have many applications. This element gives alloys stainless properties and good creep resistance (INOX; INVAR/...

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14 Mar

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Aluminum: metallographic preparation

• 14 March 2022
• By Presi

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Mechanically resistant, with good corrosion resistance, a good thermal and electrical conductor and a relatively low density, aluminum ...

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14 Feb

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Copper & copper alloys : metallographic preparation

• 14 February 2022
• By Presi

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While being very good thermal and electrical conductors, copper alloys are also very ductile. The challenge of the metallographic pr...

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17 Jan

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Cast iron : Metallographic preparation

• 18 January 2022
• By audrey@ginette.fr

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What do manhole covers, heating stoves or certain automotive parts have in common? Cast iron!  This material reveals all its b...

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07 Jan

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Happy new year 2022

• 7 January 2022
• By Presi

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Presi wishes you a happy 2022! 60 years old and still great!

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07 Dec

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Stainless Steel

• 9 December 2021
• By audrey@ginette.fr

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Microstructure analysis, weld control, search for porosity, heterogeneity, inclusion exams, hardness tests, strain hardening contro...

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12 Oct

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Steels: flawless metallographic preparations

• 14 October 2021
• By audrey@ginette.fr

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Mild steels, surface treated or hard, all require an impeccable preparation process in order to ensure characterization. At PRESI, w...

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02 Sep

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Analysis and Quality Control of medical devices

• 2 September 2021
• By audrey@ginette.fr

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Whether for analysis or for quality control of surgical tools, prostheses, artificial limbs, living or inert biomaterials… Medical de...

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01 Jul

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Heat treatments

• 21 July 2021
• By audrey@ginette.fr

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Methods that respect the physicochemical properties of your parts for the characterization of your heat treatments. Quenching and temp...

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31 May

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60 years ! Time flies when you’re having fun ;-)

• 3 June 2021
• By audrey@ginette.fr

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Our products, we could have dreamed of them... But we chose to create them.  60 years of innovation in metallography. Still driv...

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