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Recycling of Stainless Steel Grinding Sludge
Shimizu Toru,Hanada Kotarou,Adachi Satoru,Katoh Masahito,Hatsukano Kanichi,Matsuzaki Kunio 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Stainless steel sludge is generated as a waste in the grinding process, and the possibility of recycling stainless steel is considered here. In this study, we considered the possibility of using the stainless steel sludge as metal powder for MIM or raw material for metal foam. For the MIM process, the metal powder will need some improvement, and flotation and spheroidizing processes of the sludge are necessary. For fabrication of the metal foam, untreated sludge can be used, and steel foam about 90% porosity is produced.
( Goki Kamei ),( Shigeki Ishibashi ),( Koki Yoshioka ),( Satoru Sakurai ),( Hiroyuki Inoue ),( Yu Mochizuki ),( Masakazu Ishikawa ),( Nobuo Adachi ) 대한슬관절학회 2022 대한슬관절학회지 Vol.34 No.-
Purpose: A distal femoral trial component was manufactured, and flexion gap size and inclination were evaluated with or without the distal femoral trial component in total knee arthroplasty (TKA). This study aimed to evaluate the effect of the distal femoral trial component on flexion gap size and joint inclination in posterior-stabilized (PS)-TKA. Materials and methods: A total of 84 patients with medial osteoarthritis who underwent mobile-bearing PSTKA using modified gap techniques were included in this retrospective study. The flexion gap size and inclination before and after setting the distal femoral trial component were evaluated and compared with the final gap size and inclination. Results: The joint gap size and inclination were significantly lower in those with than in those without the distal femoral trial component (P = 0.005, P < 0.001). The final gap size and inclination were similar to the gap size and inclination with the distal trial component (P = 0.468, P = 0.158). Conclusions: The joint gap size and medial tension in PS-TKA were significantly reduced after setting the distal femoral trial component. The flexion gap measured using the distal femoral trial component was similar to that when the final trial component was set. To more accurately perform the gap technique TKA, the flexion gap should be measured using the distal femoral trial component.