Evaluation of mechanical anisotropy induced by 3D printing process for earth-based materials

Rahal, S.; Kaci, A.; Skoudarli, A.

doi:10.1016/j.matpr.2023.07.192

Cited by 1 publication

(1 citation statement)

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“…A problem throughout the publications is the absence of standard procedures to produce printed samples. Due to the limited capacity to construct layers, some authors created samples over multiple-day sessions [ 64 ], which can result in weak points between the layers [ 83 , 84 ]. Other authors preferred to build a solid multilayer block [ 26 , 44 , 59 ], aiming to avoid the collapse of the structure and subsequently cutting smaller samples.…”

Section: Processing Earth Materials For Additive Manufacturingmentioning

confidence: 99%

Additive Manufacturing of Earth-Based Materials: A Literature Review on Mortar Composition, Extrusion, and Processing Earth

Rocha,

Faria,

Lucas

2023

Materials

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Increasing concerns about global warming and its impact on the environment reinforce the need for new materials and technologies. Additive manufacturing has become more relevant due to its potential to build sustainable and more energy-efficient constructions. However, the materials employed within the technology are not yet fully sustainable. Researchers employing clay as the main binder have found that, besides protecting the environment, it benefits passive control of indoor temperature and relative humidity and contributes to comfort. The mortar design as well as the necessary technological adaptations for the 3D printing of earth mortars are addressed. From a material perspective, this paper reviewed and analyzed the recent developments in additive manufacturing of clay-based mortars, highlighting the main gaps and providing recommendations for future developments in this field.

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