ASTM D3983 Standard Test Method for Measuring Strength and Shear Modulus of Nonrigid Adhesives by the Thick-Adherend Tensile-Lap Specimen
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ASTM International
Standard Test Method for Measuring Strength and Shear Modulus of Nonrigid Adhesives by the Thick-Adherend Tensile-Lap Specimen
N D3983
Annotation
This test method describes a method of measuring the shear modulus and rupture stress in shear of adhesives in bonded joints. The method employs lap-shear specimens with wood, metal, or composite adherends, with adhesives having shear moduli ranging up to 700 MPa (100 000 psi). This test method is suitable generally for joints in which the ratio of adherend tensile modulus to adhesive shear modulus is greater than 300 to 1. It is not suitable for adhesives that have a high shear modulus in the cured state and that also require elimination of volatile constituents during cure.
The values stated in SI units are to be regarded as 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.
Автоматический перевод:
Метод стандартной пробы для измерения силы и стрижет модуль нетвердых пластырей экземпляром Растяжимых коленей Толстой Подложки
Этот метод тестирования описывает метод измерения модуля сдвига и напряжения разрыва в сдвиге адгезивов в междурельсовых стыковых соединениях. Метод использует экземпляры сдвига полировки с древесиной, металлом или составным объектом adherends, с адгезивами, имеющими модули сдвига, располагающиеся до 700 МПа (100 000 фунтов на квадратный дюйм). Этот метод тестирования обычно подходит для соединений, в которых отношение adherend растяжимого модуля к адгезивному модулю сдвига больше, чем от 300 до 1. Это не подходит для адгезивов, которые имеют высокий модуль сдвига в исправленном состоянии и которые также требуют устранения энергозависимых составляющих во время средства исправления.



