Influence of Overburning on Microstructure and Property of 2024 Aluminum Alloy

Zhang, Shi Xing; Zhu, Yu; Cai, Guowei

doi:10.4028/www.scientific.net/amr.941-944.3

Cited by 5 publications

(3 citation statements)

References 3 publications

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“…Learn from the training methods of other sports, and actively guide the integration of modern information technology into ethnic sports training and competition practices based on the actual situation at the grassroots level. Using mobile phones to capture the throwing process from different angles (information can be imported into the computer), team members can continuously improve their throwing techniques based on the image analysis of photos and videos, form scientific action patterns, and enhance their competitive level [25].…”

Section: Empowering Competitive Ability Through Information Technologymentioning

confidence: 99%

Research on Innovation and Development of Backbasket Throwing Embroidery Ball Supported by Information Technology

Shijun,

Yu,

Ling

et al. 2024

Preprint

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Objective This study aims to inherit the national sports culture of throwing embroidered balls, combine technological innovation with the application of technological information, improve the competitive level and competition management level of the backbasket throwing embroidered ball. Method Utilizing methods such as literature review and mathematical statistics to elucidate the evolutionary history of embroidered ball culture, analyze the development process of the backbasket throwing embroidery ball sport and throwing technology; Research innovative throwing techniques and tactical applications through comparative analysis of competition results. Result There are problems with the lack of theoretical throwing techniques, imperfect competition rules, and inconsistent embroidery balls in competition. The training results of the short fast low (α ≤ 30 °) throwing method are outstanding, but insufficient stability leads to easy mistakes in competition, it requires athletes with good psychological qualities; The training performance of the long slow high (α > 30 °) throwing method is poor, but it has good stability and is easy to exert competitive ability in competitions. Conclusion Emphasize the inheritance of ethnic sports culture and enhance social participation interest. The mixed throwing method, with short fast low throwing as the main method and long slow high throwing as the auxiliary method, can effectively improve the level of competition. Utilizing modern elements such as unmanned aerial vehicles and information technology management to improve the level of referees and promote the sustainable development of ethnic sports.

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Section: Empowering Competitive Ability Through Information Technologymentioning

confidence: 99%

Research on Innovation and Development of Backbasket Throwing Embroidery Ball Supported by Information Technology

Shijun,

Yu,

Ling

et al. 2024

Preprint

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“…When the temperature increased to 1360 • C, the maximum pressure and compressive strength began to decrease. This may be due to the phenomenon of over burning which causes the grain boundary of the gehlenite crystal to change and melting to appear resulting in a reduction in compressive strength [27]. To compare the results, the compressive strength properties of other steel slag ceramics are shown in Table 2.…”

Section: Mechanical Performance Analysismentioning

confidence: 99%

Effect of Al2O3–SiO2 Addition on Gehlenite Growth and the Mechanical Performance of Steel Slag

Song

Cao

et al. 2021

Crystals

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Steel slag, as industrial solid waste, is difficult to recycle owing to its complex components and poor mechanical properties. However, steel slag can be modified by adding Al2O3–SiO2 through high temperature sintering, which would improve the mechanical properties and expand the scope of its application. The phase changing, morphology evolution and the mechanical properties of the modified steel slag were investigated. The results indicate that the main phase changes to gehlenite occur with increasing temperature. The compressive strength increases to 115 MPa at 1350 °C. The relationship of the quantity of gehlenite and the compressive strength were explored.

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“…Структурные изменения, вызываемые пережогом (оплавление эвтектик и избыточных легкоплавких фаз и последующая кристаллизация оплавленных микрообъемов), сопровождаются развитием пористости, оказывают негативное влияние на физико-химические, механические, технологические свойства [2,3].…”

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Phase composition of deformable D16 and B95 aluminium alloys with the quantitative assessment of overburning of different stages of development

Vorob’ev

Сорокина

Evstifeeva

2020

Izv.VUZ. Tsvet. Met.

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This paper covers new overburning monitoring methods for D16 and V95 aluminum alloys based on use of a method of an energydispersive X-ray spectral analysis (EDS analysis). It is known that lowered performance of aluminum-based materials is often connected with overburning in their structure. Because the structural changes caused by overburning (flash-off of eutectics and excess low-melting phases and the subsequent crystallization of melted-off microvolumes) are followed by developing porosity, have negative impact on physical and chemical, mechanical and processing properties. The ability to reveal overburning at early stages allows to reject the defective metal. Characteristics sensitive to an early overburning stage are offered based on EDS analysis. A degree of the induced overburning in a D16 sheet is identified. B95 alloy structural components determining the alloy tendency to overburning are revealed. It is found that the EDS analysis makes it possible to reveal changes in the chemical composition of the structural elements of D16 and V95 aluminum alloys and identify an overburning stage quantitatively based on oxygen content. Overburning development leads not only to the higher content of oxygen in the chemical composition of aluminum alloys, but also lowers the electrical conductivity of the material. The paper considers a correlation relationship between the D16 alloy electrical conductivity with overburning induced in it, and oxygen content. The applicability of this method is caused by the method simplicity and a possibility to quantify the defect development in the heat-strengthened deformable aluminum alloys after process heatings. Also this method can be used as an additional research method when metallographic analysis gives no definite answer at identification of early overburning stages.

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Influence of Overburning on Microstructure and Property of 2024 Aluminum Alloy

Cited by 5 publications

References 3 publications

Research on Innovation and Development of Backbasket Throwing Embroidery Ball Supported by Information Technology

Research on Innovation and Development of Backbasket Throwing Embroidery Ball Supported by Information Technology

Effect of Al2O3–SiO2 Addition on Gehlenite Growth and the Mechanical Performance of Steel Slag

Phase composition of deformable D16 and B95 aluminium alloys with the quantitative assessment of overburning of different stages of development

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