直接墨水书写法制备氧化铝锥体的结构-性能关系

IF 2 Q3 ENGINEERING, MANUFACTURING

Manufacturing Letters Pub Date : 2025-08-19 DOI:10.1016/j.mfglet.2025.08.003

Abhishek Kumar , Rajan Singh , Soumen Mandal , Gayatri Paul , Barnali Maji , Manab Mallik

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引用次数: 0

摘要

直接墨水书写（DIW）技术打印氧化铝金字塔。油墨配方包括使用纯氧化铝粉、酚醛树脂和去离子水。固体负载为64 vol%的氧化铝墨水为3D打印提供了合适的流变特性。将合成的油墨用于金字塔体的3D打印，并在不同温度（1500℃- 1600℃）下烧结。1600℃烧结后的试样组织致密（98%），具有良好的抗弯强度（308.34±10 MPa）和中等的断裂韧性（4.01±0.4 MPa）。m1/2)，高硬度（1625hv）。

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Structure-property correlation of alumina pyramidoids fabricated by direct ink writing

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Structure-property correlation of alumina pyramidoids fabricated by direct ink writing

The direct ink writing (DIW) technique prints alumina Pyramidoids. Ink formulation included the usage of pure alumina powder, phenolic resin, and deionized water. Alumina ink with a solid loading of 64 vol% provides suitable rheological properties for 3D printing. The synthesized ink was used for 3D printing of a pyramidoid and sintering at different temperatures (1500 °C–1600 °C). The sample sintered at 1600 °C exhibits a dense microstructure (98 %), good flexural strength (308.34 ± 10 MPa), moderate fracture toughness (4.01 ± 0.4 MPa.m^1/2), and high hardness (1625 HV).

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