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

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
GB1958Www.bzxZ.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
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Dimension series and main properties of wafer components
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Continued Table 1
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Continued Table 1
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Continued Table 1
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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
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Table 2 Size series and main properties of medium hole disc components P-41
90.230.48
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Table 2 continued
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Table 2 continued
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Table 2 continued
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