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David Pacheco
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David Pacheco
Twin
Rio De Janeiro
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Brazil
Welding, Mechanical Engineering, Creative Development
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Twin
Rio De Janeiro
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Welding, Mechanical Engineering, Creative Development
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Quality Control - Metallurgical Analysis - Blanking Die
Quality Control - Metallurgical Analysis - Blanking Die
David Pacheco
18 Mar 16
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Blanking die. Tool steel AISI D3: wrong oil quenching and tempering; carbide bands. Low hardness: 46 RC (Rockwell C).
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David-Pacheco's Blogs/Portfolios
Mig Aluminum - Welder Qualification...
Aluminum alloy. Mig welding parameters and procedures defined before the qualification test. After the test, weld beads without defects. Welder approv...
Fatigue Tension Test at -196° C - ...
Austenitic Stainless steel AISI 316; Frequency of 120 Hz; 30 million cycles; Stages I and II of brittle fracture; Stage III of the ductile fracture di...