Yohannes Regassa

2 Questions 7 Answers 0 Followers

Questions related from Yohannes Regassa

Why ASTM 3039 standards for specimen geometry focus on the fiber orientation and why not on the materials type,composition and manufacturing method?

The ASTM 3039 suggested a preparation of composite specimen for tensile test should be as per what i attached here....like it encourages 4methods based on fiber orientation. For 0 degeree fiber...

07 February 2021 9,873 5 View

What is spectral leakage? What is scalloping? What causes them?in DFT or FFT, How could I reduce their effect?

especially focus for electrical engineers

29 November 2017 8,234 6 View