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Igarashi, Takashi

doi:10.2464/jilm.61.469

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…Al-Li alloys have higher specific strength and modulus than other conventional aluminum alloys, it is focused as a good material for weight reduction of aerospace-related fields [1]. In recent years, investigations have been conducted on the wrought products, such as rolling sheet and extruded bar [2].…”

Section: Introductionmentioning

confidence: 99%

Age Hardening Behavior of Al-Li Alloys Produced by Sand Mold Process

Saikawa

Otsubo

Ikeno

et al. 2016

MSF

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Al-Li alloys have higher mechanical properties and more lightweight than other conventional aluminum alloys. Therefore , it is focused as a good material for weight reduction of industrial fields. However, since the Al-Li alloy are highly active and hard to cast, there has been limited research on casting. In this study, age-hardening behavior of Al-2.5mass%Li alloys cast into sand and metal mold were investigated. All alloys cast into Y-block shape sand mold, and then artificial aged after solution treated at 743K for 36ks. Because of difference in quantity of precipitation by metastable δ’(Al3Li) phase, peak hardness of metal mold casting is higher than that of sand molds castings.

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Section: Introductionmentioning

confidence: 99%

Age Hardening Behavior of Al-Li Alloys Produced by Sand Mold Process

Saikawa

Otsubo

Ikeno

et al. 2016

MSF

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Process parameters optimization for minimizing risk of crack and forging energy in cold forging

Kadoya

Kitayama

Takano

et al. 2021

Transactions of the JSME (In Japanese)

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難燃性マグネシウム合金における疲労特性と靭性およびそれらへの溶接の影響

Tanaka,

Oguri,

Hamada

et al. 2024

J.JILM

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This study investigates the fatigue properties, Charpy impact energy, and fracture toughness of three flame-retardant magnesium alloys with the different amount of aluminum solid solution. These properties strongly depended on the amount of aluminum dissolved in the magnesium alloy. Micro-strain analysis was used to evaluate the degree of damage during fatigue tests. This method could successfully evaluate the degree of damage by focusing on the principal slip plane rather than the crystallographic planes. In addition, we examined the influence of welding, wherein AZX811 filler metals containing Ga were used, on Charpy impact energy and fracture toughness. The Charpy impact energy of the welded joint was lower than that of the base metal with the same amount of aluminum solid solution. However, the fracture toughness value of the welded joint was almost the same as that of the base metal. This was because the welding defects decreased the Charpy impact absorbed energy. However, they did not affect the fracture toughness value owing to the microscopic elastoplastic behavior of the crack tip. Furthermore, a proportional relationship between the impact-absorbed energy and fracture toughness value was determined for both the base metal and welds.

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Cited by 3 publications

References 2 publications

Age Hardening Behavior of Al-Li Alloys Produced by Sand Mold Process

Age Hardening Behavior of Al-Li Alloys Produced by Sand Mold Process

Process parameters optimization for minimizing risk of crack and forging energy in cold forging

難燃性マグネシウム合金における疲労特性と靭性およびそれらへの溶接の影響

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