Graphene Used to Develop Lightweight Material 10 Times Stronger Than Steel: Page 2 of 2

Researchers at MIT have used graphene in 2D form to develop a lightweight 3D material that’s 10 times stronger than steel.

to continue their work by applying their method to develop other materials, as well as perform other experiments and studies to improve the material’s characteristics and performance, Jung said.

“Since our finding shows that the geometrical effect is significant, we may tackle more details of designs with polymers or other materials with 3D printing,” he said. “We may introduce heterogeneities or hierarchical structures inspired by biomaterials to tune finely for better mechanical performance.”

 

Comments

The claim "stronger than steel" is fairly open ended as used in this posting. Does it mean stronger than steel of equal weight? Or stronger than steel of the same weight? Does it mean flexural modulus, tensile, or compressive? There is a lot unstated that would be really interesting to know. Stronger is a word a lot like "precision", not very specific or descriptive. Certainly one could do better in the description.

The article said they performed compression tests, which would be measured in psi or MPa. That means it's a comparison of materials of equal cross-sectional area. Steel is generally tensile tested, but the tensile and compression properties of steel tend to be similar. I wonder how this material compares in tension. That being said, according to the article, graphene and steel (mild?) of equal size and shape is 95% lighter and 10x stronger in compression.

J.D. Thanks for the explanation, evidently you read the post with a better insight to what they were saying. And a greater amount of experience in the properties testing of materials. I look for clearly expressed claims rather than implied ones.

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