1、Enhancing impact resistance of CFRP by incorporating dynamic non
Since the improvement of modified epoxy resins in impact resistance has been well examined, it is needed to determine the performance of fiber-matrix composites under impact effects, which are the base material of structural components in real-world applications.
2、Improving the Impact Resistance and Post
The effect of dispersing multiwalled carbon nanotubes (MWCNTs) and graphene nanoplatelets (GNPs) in the matrix on the low-velocity impact resistance and post-impact residual tensile strength of the carbon fiber reinforced epoxy composite laminates has been experimentally analyzed in this study.
3、Experimental investigation on impact resistance of stacked composite
This study presents a comprehensive experimental investigation into the impact resistance of stacked composite structures fabricated by hybridizing 3D-printed carbon fiber-reinforced...
A Universal Toughening and Energy
We apply this strategy to PLA, resulting in a smart anti-impact composite (PLA/SSG) with a mechanically adjustable nature. At low strain rates, it achieves an excellent balance between ultimate strength and ductility; while at high strain rates, it demonstrates outstanding impact energy absorption.
Enhancing mechanical, thermo
The MCC-incorporated EMR-modified composite demonstrated the highest low velocity impact resistance among all other bio-composites, highlighting its potential for use in semi-structural applications due to the enhanced interfacial adhesion.
Impact response characteristics and damage mechanism of
Because impact-resistance serves as an important index for its structural design and performance stability, a continuous carbon-fiber-reinforced magnesium matrix composite with indirect bonding using a modified epoxy resin was designed in this study.
Glass fiber
Furthermore, compared with widely used epoxy/GF composites, modified PDCPD/GF composites exhibited advantages in terms of interlaminar fracture toughness and impact resistance.
Flexible Carbon Fiber Composite with Enhanced Durable Impact‐Resistance
In article number 2503952, Xin Zhang and co-workers introduce a flexible carbon fiber composite reinforced with a polyborosiloxane network, demonstrating enhanced impact resistance and integrated force-sensing capability.
Dynamic Impact Properties of Carbon
As reported previously for composites tested at 15 kg m/s, Figure 20 and Figure 21 show that modification of both resins with CS filler degraded the impact resistance of the resulting CFRP composites.
Effects of temperature on mechanical properties and impact resistance
Thus, a systematic study of the effects of temperature on mechanical properties and damage patterns of carbon fiber/bismaleimide resin composites was carried out through various experiments, ranging from quasi-static to dynamic and impact resistance.
In today’s era of rapid technological advancement, the development of materials science plays a critical role in driving progress across industries. Among the innovations, modified composite resins have become a hot research topic due to their exceptional mechanical properties and broad application prospects. Notably, their significantly enhanced impact resistance not only provides more reliable protection for engineering applications but also guides the direction of new material development.
The study of impact resistance in modified composite resins originated from a deep understanding of traditional resin materials. Conventional composites often suffer from fracture under external forces due to limitations in their internal structures, restricting their use in extreme environments. improving the impact resistance of resin materials became an urgent challenge to address.
Under this context, modified composite resins emerged. By incorporating functional fillers, plasticizers, curing agents, and other additives, the properties of the resin matrix are altered, leading to substantial improvements in impact resistance. Modification methods include filling, reinforcement, and toughening approaches. For example, using high-strength fibers like carbon or glass as fillers enhances tensile and compressive strength. Adding plasticizers improves toughness, enabling the resin to absorb impact energy more effectively and reduce crack formation.
The improvement in impact resistance of modified composite resins reflects not only macroscopic mechanical enhancements but also microscopic structural optimization. Techniques like nanotechnology and surface engineering allow precise control over the resin matrix. For instance, dispersing nanoparticles creates a more uniform stress distribution during loading, reducing stress concentration at crack tips. Surface treatments (e.g., electroless plating, electrophoresis) form dense protective layers, boosting resistance to external damage.
Beyond physical modifications, chemical approaches also enhance impact resistance. Introducing crosslinking agents or initiators promotes matrix crosslinking, while additives like UV absorbers and antioxidants improve aging resistance and environmental durability.
Practical applications of modified composite resins with enhanced impact resistance are widespread. From aerospace and automotive manufacturing to construction and everyday products, these materials are vital. In automotive engines, modified resin casings absorb impacts, minimizing damage. In construction, impact-resistant materials ensure safety.
improving impact resistance is not achieved overnight. It requires continuous experimentation and technological innovation, balanced against costs and processing feasibility.
Research on modified composite resins for impact resistance is a field rife with challenges and opportunities. With ongoing scientific progress, we will likely develop even higher-performance materials, further advancing human society.
