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Akademický článek

Solidification cracking susceptibility of alloy 718 during additive manufacturing and evaluating method

Autor: Kota Kadoi, Yukiya Matsumoto, Hiroyuki Chiba, Hiroshige Inoue

Publikováno v: Journal of Materials Research and Technology, Vol 33, Iss , Pp 6389-6396 (2024)

Although hot cracks frequently occur during metal additive manufacturing (AM), there are very few fundamental studies on the cracking behaviour and susceptibility. In this study, a horizontal tensile-type hot cracking test was investigated for evalua

Externí odkaz: https://doaj.org/article/d0597a053738406b92562537cb60cce7

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Akademický článek

Formation condition of lacy ferrite during solidification and subsequent transformation in austenitic stainless steels solidified with primary ferrite

Autor: Kota Kadoi, Mari Kogure, Hiroshige Inoue

Publikováno v: Materials & Design, Vol 241, Iss , Pp 112984- (2024)

The formation conditions of lacy ferrite in austenitic stainless steels solidified with primary ferrite was clarified through crystallography in order to increase the amount of lacy ferrite which contributed to the improvement of properties. Lacy fer

Externí odkaz: https://doaj.org/article/6283794e3e344262a7b9203386c4a06b

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Akademický článek

Effects of ferrite content and concentrations of carbon and silicon on weld solidification cracking susceptibility of stainless steels

Autor: Kota Kadoi, Seiya Ueno, Hiroshige Inoue

Publikováno v: Journal of Materials Research and Technology, Vol 25, Iss , Pp 1314-1321 (2023)

In the welding of austenitic stainless steels, the formation of approximately 5% δ-ferrite phase is often used to decrease the susceptibility to solidification cracking. The partition coefficients of impurity elements such as phosphorous and sulfur

Externí odkaz: https://doaj.org/article/8c33464398524cd69a050ccb57cf6e27

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Akademický článek

Fatigue Limit Estimation Based on Dissipated Energy of Butt Laser-Welded Joints

Autor: Takumi Yamamoto, Yuki Ogawa, Miu Hayashi, Kota Kadoi, Daiki Shiozawa, Takahide Sakagami

Publikováno v: Engineering Proceedings, Vol 51, Iss 1, p 47 (2024)

This study established a rapid estimation method for the fatigue limit of laser welds of aluminum alloys in order to optimize welding conditions, an important factor in ensuring the safety and reliability of laser welding. This study focused on an es

Externí odkaz: https://doaj.org/article/d4a3d6ee54d6492fbb9f49642ef52621

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Akademický článek

The effects of chemistry variations on hot cracking susceptibility of Haynes® 282® for aerospace applications

Autor: Sukhdeep Singh, Kota Kadoi, Olanrewaju Ojo, Boian Alexandrov, Joel Andersson

Publikováno v: Materials & Design, Vol 228, Iss , Pp 111853- (2023)

Hot cracking susceptibility of Haynes® 282® with varying amount of C (0.05–0.09 wt%), Mn (0.03–0.12 wt%), Si (0.03–0.16), B (0.005–0.006 wt%) and Zr (0–0.01) are investigated. Synergistic role of C and B is found on solidification and hea

Externí odkaz: https://doaj.org/article/87c7e75bcdd741f5af22899fbe73a575

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