Preparation and characterisation of ceramic-faced metal–ceramic interpenetrating composites for impact applications

Ballistic Response of Chromium/Chromium-Sulfide Cermets

“…These results broadly confirm what has been observed in other literature: specifically that while cermets display increased damage resistance over homogeneous brittle materials, they do not demonstrate substantial protective advantages over the equivalent monolithic ceramic component when used as the protective element [22,23]. A more promising implementation thus remains the employment of a cermet to functionally grade the interface between a conventional, homogeneous ceramic and a metal backing plate.…”

“…In this configuration, the cermet enhances the defeat mechanism of the conventional confined ceramic system via damage mitigation, superior interface coupling and impedance matching [21,24]. This is particularly relevant for metal-ceramic systems with intermediate cermets that can be effectively manufactured, for example: titanium-diboride/titanium [21], alumina/aluminum-magnesium alloy [22,23], and boron-carbide/aluminum [25][26][27].…”

“…This demonstrates how microscale composite manufacture enables performance enhancing functional grading of properties in a traditional metal-backed ceramic armor system. Of particular interest to the current study was the observation of ductile-like behavior of the IPC despite the continuous network of alumina present [22,23]. Similarly, Templeton et al computationally studied the ballistic efficiency of a functionally graded metal-ceramic laminated system compared to an equivalent system with abrupt metal-ceramic interfaces and found a 15 % improvement in ballistic performance [24].…”

“…Alternatively, the gradient can be constructed by bonding a ceramic front face to a metal backing with an IPC. Chang et al fabricated IPCs by infiltrating molten aluminummagnesium alloy into an alumina foam [22,23]. While the resulting IPC demonstrated no advantages in ballistic resistance on its own, it was successfully used as the intermediate component in a composite array that had a monolithic alumina front face and a monolithic aluminum backing.…”

Ballistic Impact Properties of Zr-Based Amorphous Alloy Composites Reinforced with Woven Continuous Fibers

“…This process of the ballistic impact energy absorption seems to be similar to that of ceramic armor plates. [49][50][51] The fragmented debris could not be recovered because of their fine size, and the ballistically impacted area was gone, as shown in Figure 8(c). According to the absorption process of ballistic impact energy, by forming very large amounts of cracks, fragments, and debris in the composite and LM1 layers, the G specimen shows excellent ballistic performance.…”