Materials Characterization Services
Search for Analytical Techniques and Test Methods
We are currently working on updating our list of supported methods. If you don’t see the test method you need below, please submit a special request with details about the method you need and we will check to see if we can provide it.
ASTM A892 – Standard Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels Description: Abstract This guide covers the definition and rating of the microstructure of carbide structures in annealed high carbon bearing steels. Requirements for the optical metallograph apparatus and specimen preparation including polishing and etching are detailed. The description of …
ASTM A887 – Standard Specification for Borated Stainless Steel Plate, Sheet, and Strip for Nuclear Application Description: Abstract This specification covers chromium-nickel stainless steel plate, sheet, and strip, modified by the addition of natural or enriched boron, for nuclear application. The austenitic chromium-nickel steels shall be solution annealed to meet the mechanical property requirements. The …
ASTM A802 – Standard Practice for Steel Castings, Surface Acceptance Standards, Visual Examination Description: Abstract This practice covers the standard acceptance criteria for the determination of surface texture, surface roughness, and surface discontinuities of steel castings by visual examination. The acceptance levels utilize the Steel Castings Research and Trade Association (SCRATA) graded reference comparators described …
ASTM A800 – Standard Practice for Estimating Ferrite Content of Stainless Steel Castings Containing Both Ferrite and Austenite Description: Significance and Use 4.1 The tensile and impact properties, the weldability, and the corrosion resistance of iron-chromium-nickel alloy castings may be influenced beneficially or detrimentally by the ratio of the amount of ferrite to the amount of …
Goniometric testing involves the measurement of angles, especially related to surface properties, in various fields such as optics, material science, and surface characterization. This technique is used to analyze the reflective, refractive, or other angular-dependent properties of surfaces and materials. Principles: Applications: Strengths: Limitations: In summary, goniometric testing is a valuable technique for analyzing surface …
UV-VIS spectroscopy, or ultraviolet-visible spectroscopy, is a technique used to analyze optical materials by measuring their absorption or transmission of ultraviolet and visible light. This method is based on the principle that molecules in the material absorb specific wavelengths of light, providing information about their electronic structure and composition. Principles: Applications: Strengths: Limitations: In summary, …
Scatterometry is an optical metrology technique used for characterizing and analyzing surfaces, particularly in semiconductor manufacturing and nanotechnology. It relies on the analysis of light scattered from a sample’s surface to extract information about its dimensions, shape, roughness, and other properties. Principles: Applications: Strengths: Limitations: In summary, scatterometry is a powerful optical metrology technique for …
The xyy color space is a chromaticity diagram that represents colors based on their chromaticity coordinates, providing a two-dimensional representation of a color’s hue and saturation. It is derived from the CIE 1931 XYZ color space and is used to describe colors in terms of their chromaticity. Principles: Applications: Strengths: Limitations: In summary, the xyy …
The Lab* color space is a three-dimensional color model used to describe and quantify colors in terms of their perceived attributes: lightness (L*), red-green (a*), and yellow-blue (b*). This color space is widely used in various industries to precisely specify and communicate color information. Principles: Applications: Strengths: Limitations: In summary, Lab* color analysis is a …
Optical reflectance analysis involves studying how materials interact with incident light by reflecting a portion of the light that strikes their surface. This analysis provides insights into the reflective properties of materials, including their surface characteristics, composition, and optical behavior. Principles: Applications: Strengths: Limitations: In summary, optical reflectance analysis is crucial for understanding the reflective …
