This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, transportation, packaging and storage of piezoelectric ceramic components commonly used for underwater acoustics. This standard applies to piezoelectric ceramic components in four shapes: discs, medium-hole discs, radially polarized circular tubes and rectangular plates made of three piezoelectric ceramic materials: P-41, P-51 and P-81. CB 1218-1993 Piezoelectric ceramic components commonly used for underwater acoustics CB1218-1993 Standard download decompression password: www.bzxz.net
Some standard content:
Department Standard of China Shipbuilding Industry Corporation CB1218-93 Common Piezoelectric Ceramic Components for Underwater Acoustics Published on February 1, 1994 Published by China State Shipbuilding Corporation Implemented on August 1, 1994 Department Standard of China Shipbuilding Industry Corporation Common Piezoelectric Ceramic Components for Underwater Acoustics 1 Subject Content and Scope of Application CB1218-93 Classification Number: U67 This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of common piezoelectric ceramic components for underwater acoustics. This standard applies to piezoelectric ceramic components (hereinafter referred to as components) in four shapes: discs, middle-hole discs, radially polarized circular tubes and rectangular plates of three piezoelectric ceramic materials: P-41, P-51 and P-81. 2 Reference standards GB1958bZxz.net GB2414 GB3177 Packaging, storage and transportation pictorial symbols Priority numbers and priority number systems Shape and position tolerance detection regulations Methods for testing the performance of piezoelectric ceramic materials Methods for testing the radial expansion and contraction vibration of circular discs and the transverse expansion and contraction vibration of long strips for the dimensions of smooth workpieces CB1125 Methods for testing the performance of piezoelectric ceramic materials Common terms and terms Technical conditions for Class E ceramic parts General technical conditions for piezoelectric ceramic materials for underwater acoustics CB1126 P-41 Technical requirements for piezoelectric ceramic materials CB1127 CB1128 CB1194 P-51 Technical requirements for piezoelectric ceramic materials P-81 Technical requirements for piezoelectric ceramic materials Measurement and calculation methods for performance parameters of practical piezoelectric ceramic components for underwater acoustics 3 Terms and symbols The definitions and symbols of terms used in this standard comply with the provisions of GB3389.1, GB9531.6 and CB1194. 4 Marking The content of the component marking in the design document should include the name, specification, material model and standard number. Marking example: Piezoelectric ceramic disc with a diameter of 20 mm, a thickness of 2 mm, and a material of P-81: Piezoelectric ceramic disc 420×2P-81CB1218--935 Technical requirements 5.1 Size series and main properties\ 5.1.1 See Figure 1 and Table 1 for the size series and main properties of disc elements. Note: 1) The main properties of the element are the values on the tenth day after polarization. Approved by China State Shipbuilding Corporation on February 1, 1994 and implemented on August 1, 1994 CB121893 Dimension series and main properties of wafer components CB1218 Continued Table 1 CB1218 Continued Table 1 CB1218-93 Continued Table 1 CB1218 3—93 Continued Table 1 The dimension series and main properties of medium-hole wafer components are shown in Figure 2 and Table 2. Figure 2 CB1218-93 Table 2 Size series and main properties of medium hole disc components P-41 90.230.48 CB1218 Table 2 continued CB121893 Table 2 continued CB1218-93 Table 2 continued Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.