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Information × Registration Number 0308U007045, 0108U005095 , R & D reports Title Works on study of material quality and determination of reasons for cracking in two gear wheel forgings of 40X steel popup.stage_title Дослідження якості матеріалу та виявлення причин утворення тріщин на 2-х поковках коліс зубчастих зі сталі 40Х Head Zubkova V.T., Registration Date 03-06-2008 Organization State Enterprise "Ukrainian Special Steels Institute" popup.description2 As a result of the submitted samples study, the reasons for cracking in two gear wheel forgings of 40X steel have been determined to be the differences in metal structure conditioned by inhomogeneous phase transformations causing stresses, their concentration in micro volumes and cracking.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close