GB/T 44751-2024
精细陶瓷 滚动轴承球及滚子用氮化硅材料
Fine ceramics—Silicon nitride materials for rolling bearing balls and rollers
- 实施日期
- 2025-05-01
- ICS 分类
- 81.060.30
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 44751-2024
Fine ceramics—Silicon nitride materials for rolling bearing balls and rollers
GB/T 44753-2024
Test method for liquidus temperature of ultra-thin glass
GB/T 44549-2024
Test method for interfacial bond strength of ceramic materials at elevated temperatures
GB/T 44536-2024
Test method for determining thermal expansion coefficient and residual stress of CVD ceramic coatings
GB/T 44455-2024
Test methods for optical properties of variable focus liquid lens
GB/T 44540-2024
Fine ceramics—Test method for determining elastic modulus and bending strength of ceramic tube and rings—Split ring method
GB/T 44541-2024
Fine ceramics—Ceramic matrix composites—Notations and symbols
GB/T 44537-2024
Test method for fracture toughness of fine ceramics at room temperature—Surface crack in flexure(SCF)method
GB/T 44547-2024
Test method for fracture toughness of fine ceramics—Single-edge V-notch beam (SEVNB) method
GB/T 42666-2023
GB/T 5069-2024
Chemical analysis of magnesia-alumina refractories
GB/T 44335-2024
Fine ceramics—Methods of test for coatings—Determination of internal stress in ceramic coatings by application of the Stoney formula
GB/T 44304-2024
Test method for fracture resistance of fine ceramics at room temperature—Indentation fracture(IF)method
GB/T 44215-2024
Glassware一Test method for inner surface hot end spraying liquid
GB/T 1966-2024
Porous ceramics—Determination of apparent porosity and bulk density
GB/T 44149-2024
Fine ceramics—Measurement of iso-electric point of ceramic powders—zeta potential method
GB/T 22459.9-2024
Refractory mortars—Part 9:Determination of shear bonding strength at room temperature
GB/T 17105-2024
Classification of aluminum-silicon dense shaped refractory products
GB/T 30757-2024
Classification of basic dense shaped refractory products containing from 7% to 50% carbon
GB/T 43873-2024
Test method for upper and lower limit annealing temperatures of ultra-thin glass