Compressive behavior and damping property of ZA22/SiCp composite foams

Compressive behavior of SiCp/AlSi9Mg composite foams

“…After CaCO 3 powders were added into the melt swirl, the melt was stirred unceasingly for about 2 min to obtain the precursor material. Then the precursor material was poured quickly into a preheated stainless steel mould (about 700 • C) in an electrical resistance furnace and held at 700 • C −720 • C for several minutes to allow CaCO 3 blowing agent to decompose and release CO 2 gas [8]. Before long, the precursor material began to expand and filled the steel mould gradually.…”

Hibrid Materials Based on Zn-Al Alloys

“…The plateau stress of this foam reach as 100 MPa over a region of a 10-60 % strain and with a density of 3,3 g/cm 3 . The damping property of the eutectoid Zn-Al alloy was studied by Sirong et al (2007) in composite foams reinforced by 10 vol.% SiC, fabricated with the melt foaming route using CaCo 3 blowing agent. The damping properties of this compound were higher than those of the eutectoid alloy.…”

Dynamic compressive strength of Zn–22Al foams

“…They reported that ZA22 foams have better energy absorption capacity than Alporas foams in quasistatic loading (under strain rates from 1 × 10 −3 to 2 × 10 −2 s −1 ) due to the superplastic characteristic of ZA22 alloy [9]. In addition, Yu et al confirmed that the damping capacities of closed-cell ZA22 foams are slightly higher than that of bulk alloy owing to introducing a mass of macroscopic pores [10]. These illustrate that ZA22 foams have potentially excellent characteristics in the energy absorption and damping.…”