ASTM E1004-17 test technique describes how to use the electromagnetic (eddy current) approach to determine the electrical conductivity of nonmagnetic metals. Electrical conductivity measurements can also be made with general-purpose eddy current devices, although they are not covered in this test technique. The values expressed in SI units are considered to be standard.
The standard test method, determining Electrical Conductivity, ASTM E1004-17 can be utilized to determine the electrical conductivity of nonmagnetic materials when used in conjunction with known value reference standards. This test is used to determine metal or alloy type, heat treatment type (for aluminum, this evaluation should be used in conjunction with a hardness examination), alloy aging, corrosion effects, heat damage, temper, and hardness. Metals with a flat or slightly curved surface and metals with or without a thin non-conductive coating can be tested using this method.
In the ASTM E1004-17 test, the instrument is connected to the suitable probe coil. Firstly, the manufacturer’s instructions are followed for all necessary settings and control adjustments. Then, at the start of the run, and at least once an hour, the standardization is checked. Finally, the probe coil is placed on the sample and looked at the display for the results.
The unit should read within 60.5 percent IACS of the declared value of the standards.
ASTM E572 test method covers the analysis of stainless and alloy steels by Wavelength Dispersive X-ray Fluorescence Spectrometry (WDXRF). It provides rapid, multi-element determinations with sufficient accuracy to assure product quality.
The ASTM D2674 is a standard test method for the analysis of sulfochromate etches solution used in the surface preparation of aluminum. The ASTM D2674 standard specifies a method for determining the efficacy of an etchant used to prepare the surface of aluminum alloys for subsequent adhesive bonding.
An immunological method for quantization of Hevea Natural Rubber (HNRL) proteins using rabbit anti-HNRL serum. Rabbits immunized with HNRL proteins react to the majority of the proteins present, and their sera have the capability to detect most if not all the proteins in HNRL.
ASTM G65 measures the resistance of metallic materials to abrasion using the dry sand/rubber wheel apparatus. The quality, durability, and toughness of the sample are determined using this test. Metallic materials are ranked in their resistance to scratching abrasion under a controlled environment.
ASTM E2141 test methods provide accelerated aging and monitoring of the performance of time-dependent electrochromic devices (ECD) integrated in insulating glass units (IGU). This test helps to understand the relative serviceability of electrochromic glazings applied on ECD.
ASTM C724 test method is used in analyzing the quality and ease of maintenance of a ceramic decoration on architectural-type glass. This test method is useful in the acknowledgment of technical standards.
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