Zirconium silicate micro-ball Z300 Z425 Z600 Z850 for shot peening
Zirconium silicate micro-ball Z300 Z425 Z600 Z850 is especially for shot peening in aerocraft and aircraft industries. It can forming aircraft wings with ceramic shot steam. The zirconium silicate micro beads can improve aero parts strength by removing prestress of aerospace components and forming the profile. It can also improve fatigue resistance and hence mechanical strength.
Characteristics of Zirconium silicate micro-ball Z300 Z425 Z600 Z850 for shot peening :
- High strength and wear resistance.
- Very high hardness and density. The ceramic shot has high hardness, with Vickers hardness (microhardness) of 700hv and Rockwell hardness of 60hrc.
- No dust, high abrasion resistance, and strength make it difficult for the ceramic shot to be broken during shoting.
- Sandblasting effect: the surface finish is high. Using ceramic shot sandblasting can achieve smooth satin surface brightness.
- High sandblasting efficiency and long service life
- Good roundness and spherical shape.
Chemical composition of Zirconium silicate micro-ball Z300 Z425 Z600 Z850 for shot peening :
| Chemical | Typical value（%） | Value range（%） |
| ZrO2 | 63.80 | 60-70 |
| SiO2 | 26.82 | 28-33 |
| AL2O3 | 9.08 | Max 10 |
| Fe2O3 | 0.03 | Max 0.1 |
| TiO2 | 0.24 | Max 0.4% |
Physical index of Zirconium silicate micro-ball Z300 Z425 Z600 Z850 for shot peening：
| Mohs Hardness | 7.0 |
| Vickers Hardness/ Rockwellhardness | 700HV/60HRC |
| Specific gravity | 3.85g/cm3 |
| Bulk density | 2.2-2.3g/cm3 |
Specification：
| Specification | Diameter | Sieve Retained Ratio | Percentage of Beads sphericity ≥ 0.8 |
| Z100 | ＞0.180 mm | 0-0.5% | ≥80% |
| 0.150-0.180 mm | 0-5% | ||
| 0.106-0.150 mm | 0-81.5% | ||
| 0.063-0.106 mm | 0-10% | ||
| ＜0.063 mm | 0-3% | ||
| Z150 | ＞0.250 mm | 0-0.5% | ≥80% |
| 0.212-0.250 mm | 0-5% | ||
| 0.150-0.212 mm | 0-81.5% | ||
| 0.125-0.150 mm | 0-10% | ||
| ＜0.125 mm | 0-3% | ||
| Z210 | ＞0.355 mm | 0-0.5% | ≥80% |
| 0.300-0.355 mm | 0-5% | ||
| 0.212-0.300 mm | 0-81.5% | ||
| 0.180-0.212 mm | 0-10% | ||
| ＜0.180 mm | 0-3% | ||
| Z300 | ＞0.500 mm | 0-0.5% | ≥70% |
| 0.425-0.500 mm | 0-5% | ||
| 0.300-0.425 mm | 0-81.5% | ||
| 0.250-0.300 mm | 0-10% | ||
| ＜0.250 mm | 0-3% | ||
| Z425 | ＞0.710 mm | 0-0.5% | ≥70% |
| 0.600-0.710 mm | 0-5% | ||
| 0.425-0.600 mm | 0-81.5% | ||
| 0.300-0.425 mm | 0-10% | ||
| ＜0.300 mm | 0-3% | ||
| Z600 | ＞1.000 mm | 0-0.5% | ≥65% |
| 0.850-1.000 mm | 0-5% | ||
| 0.600-0.850 mm | 0-81.5% | ||
| 0.425-0.600 mm | 0-10% | ||
| ＜0.425 mm | 0-3% | ||
| Z850 | ＞1.400 mm | 0-0.5% | ≥65% |
| 1.180-1.400 mm | 0-5% | ||
| 0.850-1.180 mm | 0-81.5% | ||
| 0.710-0.850 mm | 0-10% | ||
| ＜0.710 mm | 0-3% |
*Other customized sizes are available.
Applications of Zirconium silicate micro-ball Z300 Z425 Z600 Z850 for shot peening:
- Used for shot peening forming of horizontal and vertical tail wings of aircraft, and shot peening strengthening of fuselage skin structural components. Improving the fatigue life of parts
- Used for surface shot peening strengthening of high-temperature and high load single crystal blades, effectively suppressing the propagation of microcracks and pitting corrosion on the blade surface. Can improve the fatigue life of aircraft engine blades by over 20%
- Used for aircraft to strengthen the landing gear with high-strength steel shot peening, effectively improving the surface hardness and residual compressive stress of the landing gear. Commonly used for secondary shot peening to reduce the surface roughness of the landing gear.
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