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In today’s aerospace industry, the consumption of composite materials has increased to more than 50%. Composite materials have been used in the aerospace industry in primary and secondary structural parts, including rocket motor casings, radomes, antenna dishes,...
Resin infusion is a sophisticated technique for manufacturing high-performance, void-free composites even on large or complicated molds. In this manufacturing process, reinforcement is laid into the mold ‘‘dry’’, i.e. without any resin, and then enclosed in a...
GLARE (an acronym for "GLAss-REinforced" Fiber Metal Laminate) is an FML made from interlayered thin sheets of aluminum and unidirectional S2-glass prepreg. This material was developed during the 1970s and 1980s through a partnership between Fokker, Delft University...
Last year, a group of researchers at ETH Zürich (Arthur Schlothauer, Georgios A. Pappas, and Paolo Ermanni) published one of the most interesting articles we have seen in a while! They have studied the ''Material Response and Failure of Highly Deformable Carbon Fiber...
''Last year, the Graphene Council has published research that aimed to evaluate the use of pristine graphene as an additive to polyacrylonitrile (PAN) solution for carbon fiber precursor fibers based on previous research using carbon nanotubes (CNTs) and graphene...
A couple of weeks ago, we posted an Ashby's Plot that compared the properties of composites with many different materials. But how do they fare against carbon nanotubes and graphene? And what about graphene-based composites? Many works have reported the effect on the...
What are the major failure modes of sandwich structures? What are the causes of each failure mode? 1) Facing Failure - Caused due to insufficient panel thickness, facing thickness, or facing strength; 2) Transverse Shear Failure - Caused when either the shear strength...
A very useful method of doing this is by plotting them as ''Ashby charts'', which represent each material on the chart as ellipses or ''bubbles'', whose width and height are determined by the range of the value of the properties. As you may already know, for composite...
Let's talk about the failure sequence of carbon fiber specimens! The article ''Carbon Fiber Reinforced Polymer and Epoxy Adhesive Tensile Test Failure Analysis Using Scanning Electron Microscopy'' has many interesting pictures! Morphological characteristics analysis...
It's safe to say that the leather caps and googles use during the '50s are long gone! During the end of the '60s, the first helmets made of a composite material (in this case, fiberglass) were already being developed. But what are F1 helmets made of today?...