%0 Conference Article %T INFLUENCE OF MATRIX GRAIN PARAMETERS ON THE IMPACT STRENGTH OF 20GL STEEL CAR CASTINGS %A Bogdanov, R.A. %A Davydov, S.V. %A Panov, A.G. %K statistical and microstructural analyses, impact strength, side frame, spring beam, 20gl steel %J Ensuring and improving the quality of engineering and aerospace products %D 2024 %P 5 %I Bryansk State Technical University