ASTM D2519螺旋形线圈试验法测定电绝缘清漆粘结强度的标准试验方法

ASTM D2519 Standard Test Method for Bond Strength of Electrical Insulating Varnishes by the Helical Coil Test
ASTM D2519 螺旋形线圈试验法测定电绝缘清漆粘结强度的标准试验方法

Values obtained by flexural tests can provide information with regard to the bond strength of the particular varnish, in combination with a particular wire, when measured under conditions described in this test method.
1. Scope
1.1 This test method covers determination of the bond strength of an electrical insulating varnish when applied to a helical coil. The helical coil can be made from bare aluminum or copper wire or from film or fiber-insulated magnet wire. Helical coils made from bare aluminum or bare copper wire will yield values of bond strength for the varnish when applied to bare metal conductors. The use of film or fiber-insulated magnet wire will show values for that particular combination of insulation and varnish.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Section 7.

2. Referenced Documents (purchase separately)
ASTM Standards
ASTM D115 Test Methods for Testing Solvent Containing Varnishes Used for Electrical Insulation
ASTM D1711 Terminology Relating to Electrical Insulation
ASTM D6054 Practice for Conditioning Electrical Insulating Materials for Testing
ASTM E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
Index Terms
bond strength; helical coil; varnish;

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