Looks like, a ductile fracture with microvoid coalescence of a metal produced by tensile testing, to me. I think, you should add more information (load-direction, material, temperature etc.) if someone should interpret it in more depth.
Here the broken fibers are not seen, may this surface is rich of resin content, you should other pictures which have fibers. my statement true for FRP composites,
Hi Sandeep .. I see voids and elongated filaments. It looks like a ductile damage leading to fracture. Damage mirros in the creation of voids, that then grow up till the stress is concentrated in the narrow portion of the undamaged material. This may have caused the strethcing ot the filaments till rupture.
I don't see trace of fibers, but I suspect that this material does not have fibers. It looks to me like a polymer, not reinforced and not a metal. How did this fracture occur?
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