Ferro-Ceramic Grinding Inc. machines over 15 different materials
Quartz
Quartz machining is another common service that Ferro-Ceramic provides. Quartz comes from silica, which can be found practically anywhere in nature—from sand to crystals to rocks. Fused quartz (otherwise known as silica) comes from melting high-purity silica sand that produces transparent glass with ultra-high purity.
One of the significant benefits of quartz, which separates it from other materials, is its optical clarity. Quartz is a popular choice for applications where transparency is necessary—like windows and mirror substrates. But quartz also has many other beneficial qualities besides its transparency, such as its permeability, hardness, and resistance to high temperatures.
We can meet your specifications with our advanced quartz machining capabilities. By leveraging state-of-the-art equipment and precision-driven processes, we deliver complex components that offer exceptional dimensional accuracy, thermal stability, and chemical resistance. From prototype development to full-scale production, our team ensures consistent quality across every stage of manufacturing.
Our team also specializes in fused quartz machining, where we work with ultra-pure materials ideal for semiconductor fabrication, aerospace systems, and sensitive medical applications. Our expertise in quartz engineering allows us to optimize designs for durability, minimizing stress points while maintaining strict tolerances. This combination of technical insight and manufacturing precision ensures reliable performance in extreme environments.
By integrating advanced quartz engineering principles with rigorous quality control, we provide tailored solutions that meet exacting industry standards. Whether for wear-resistant components or intricate geometries, our team delivers results that align with your most demanding technical requirements.
Quartz Properties
The applications for quartz are endless, where optical clarity, chemical and thermal resistance and insulation, and hardness are required. Quartz is commonly used in the semiconductor world and the lighting industry, specifically in lenses and UV-transmitting optics.
Learn more about the many qualities of fused quartz machining and quartz engineering by talking with our helpful staff at Ferro-Ceramic.
| Properties | Units | Test | Value |
|---|---|---|---|
| Physical | |||
| Chemical Formula | SiO2 | ||
| Density, r | g/cm3 | ASTM C20 | 2.21 |
| Color | - | - | white/ transparent |
| Crystal Structure | - | - | hexagonal |
| Water Absorption | % @R.T. | ASTM C373 | 0.0 |
| Hardness | Moh's | - | 7 |
| Hardness | knoop (kg/mm2) | Knoop 100g | > 600 |
| Mechanical | |||
| Compressive Strength | MPa @ R.T. | ASTM C773 | 650 - 1100 |
| Tensile Strength | MPa @ R.T. | ACMA Test #4 | 48 |
| Modulus of Elasticity (Young's Mod.) | GPa | ASTM C848 | 70 |
| Flexural Strength (MOR) | MPa @ R.T. | ASTM F417 | 80 |
| Poisson's Ratio, u | ASTM C818 | 0.17 | |
| Fracture Toughness, KIc | MPa x m1/2 | Notched Beam Test | - |
| Thermal | |||
| Max. Use Temperature (* denotes inert atm.) | ºC | No load cond. | 1200 |
| Thermal Shock Resistance | DT (ºC) | Quenching | > 1400 |
| Thermal Conductivity | W/m-K @ R.T. | ASTM C408 | 1.4 |
| Coefficient of Linear Thermal Expansion, al | mm/m-ºC (~25ºC through ±1000ºC) | ASTM C372 | 0.45 |
| Specific Heat, cp | cal/g-ºC @ R.T. | ASTM C351 | 0.16 |
| Electrical | |||
| Dielectric Constant | 1MHz @ R.T. | ASTM D150 | 3.8 |
| Dielectric Strength | kV/mm | ASTM D116 | 25 - 40 |
| Electrical Resistivity | Wcm @ R.T. | ASTM D1829 | 6 x 1010 |