大同分析リサーチ List of Products and Services

We would like to introduce an example of the analytical tests conducted by our company. We investigated the pore distribution in the wall of the ceramic filter using micro-focus X-ray CT method (magnification: 30 times). In the related links, you can view the investigation results, including image examples, pore distribution, and porosity. [Overview] ■ Microstructure investigation ■ Investigation of pore distribution in the wall of the ceramic filter using micro-focus X-ray CT method ■ Magnification: 30 times *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis

Our company has extensive experience and knowledge in EBSD analysis for steel and magnetic materials. EBSD analysis of non-ferrous metals presents different challenges compared to steel and magnetic materials, but by utilizing our unique technology and optimizing the pretreatment methods, we are able to conduct EBSD analysis on various metals. We are capable of observing and analyzing heterogeneous multilayers (especially heterogeneous boundary layers), as well as single materials. 【Main Information Obtained from EBSD Analysis】 ■ Crystal orientation (IPF map, pole figure, Schmid Factor map) ■ Crystal phase (Phase map) ■ Strain (KAM map, GROD map, GAM map, GOS map) ■ Grain size *For more details, please refer to the related links or feel free to contact us.

• Contract Analysis
• Contract measurement

Our company conducts dislocation density evaluation using X-ray diffraction (XRD). X-ray diffraction (XRD) is one method for evaluating crystalline materials, and the diffraction profile is affected by lattice defects such as dislocations, allowing for the measurement of dislocation density. By adopting a computational method devised by the Kyushu University laboratory, specialized in steel materials (DF/mWH method), we can accurately evaluate dislocation density. 【Features】 - Adoption of a computational method devised by the Kyushu University laboratory, specialized in steel materials - Capability to accurately evaluate dislocation density - Dislocation density can be determined by theoretically calculating peak width *For more details, please refer to the related links or feel free to contact us.

• Contract measurement

Our company evaluates the orientation degree of magnets and the easy magnetization axis using X-ray diffraction. Understanding the crystal orientation before magnetization is extremely important for the development of anisotropic magnets and quality control in production lines. Typically, values calculated from magnetic measurements after magnetization are derived from the results of pole figure measurements of X-ray diffraction before magnetization, allowing for the calculation of the crystallographic orientation corresponding to the residual magnetic flux density, and additionally, the angle of the easy magnetization axis can also be calculated. [Research Method] ■ Sample preparation ■ Magnetic measurement ■ Calculation of crystallographic orientation and easy magnetization axis *For more details, please refer to the related links or feel free to contact us.

• Contract measurement

Our company conducts maximum size predictions of non-metallic inclusions using extreme value statistics. Defects and non-metallic inclusions in steel can be the cause of failures and lead to a decrease in fatigue strength and variability. Since larger inclusions particularly affect fatigue strength, it is crucial to understand the maximum inclusions present in the steel. By automating dimensional measurements, our company has successfully shortened delivery times, measuring approximately 3,000 samples per year. 【Standard Test Details】 ■ Target Inclusions: Type A, Type B, Type C, Type D (Ti types can also be tested) ■ Inspection Standard Area: 0.5mm² ■ Number of Measurement Fields: 300 fields ■ Expected Inspection Area: 1,000,000mm² (can be adjusted upon request) *For more details, please refer to the related links or feel free to contact us.

• Contract measurement

Non-metallic inclusions and precipitates in steel have a significant impact on the various properties of steel. In extraction analysis, special solutions are used to extract and separate inclusions and precipitates from the steel material, and by combining this with various analytical methods, it is possible to evaluate the quantity, composition, size, and shape of the inclusions and precipitates.

• Contract Analysis

Our company conducts soil analysis using portable X-ray fluorescence analyzers. Harmful metals present in the soil can affect agricultural products, and consuming these can pose risks to human health. When conducting harmful metal analysis over a wide area, rapid on-site primary screening analysis is desirable. The portable X-ray fluorescence analyzer (NITON) allows for on-site soil analysis, and by changing the measurement mode, it can measure not only harmful components in the soil but also beneficial components. 【Features】 ■ Capable of soil analysis ■ Can measure both harmful and beneficial components in the soil *For more details, please refer to the related links or feel free to contact us.

• Analytical Equipment and Devices
• Contract measurement

Our company supports environmental improvement through our experience and achievements by offering proposals based on data analysis technology for environmental measurement, suggestions for environmental measurement, and performance verification of environmental equipment. For actual support, we conduct consultations on environmental improvement, assistance with issues, surveys, advice and educational activities on specialized environmental knowledge, as well as research, forecasting, and evaluation related to environmental issues, and planning, selection, and evaluation of environmental equipment. Improving the workplace environment and enhancing factory environmental equipment requires specialized knowledge and experience. Based on our experience and achievements, we provide consultations, current situation surveys, analysis of issues, and proposals for solutions. 【Features】 ■ Consultations on environmental improvement and assistance with issues and surveys ■ Advice and educational activities on specialized environmental knowledge ■ Research, forecasting, and evaluation related to environmental issues ■ Planning, selection, and evaluation of environmental equipment *For more details, please refer to the related links or feel free to contact us.

• Other contract services
• Contract measurement

Our company conducts odor measurements in accordance with the Odor Prevention Law. The regulatory methods are based on either the "concentration of specific odor substances" or the "odor index." In the case of "concentration of specific odor substances," measuring the concentration or amount of substances that are major causes of odor pollution will immediately reveal whether the regulatory standards are being met. For the "odor index," the odor index is calculated by multiplying the logarithmic value of the dilution factor (odor concentration) when the collected odor sample is diluted with odorless air until no odor is detectable by 10. 【Regulated substances for specific odor substances (excerpt)】 ■ Nitrogen-containing compounds ■ Sulfur-containing compounds ■ Amines ■ Aldehydes ■ Alcohols *For more details, please refer to the related links or feel free to contact us.

• Contract measurement

Due to the amendment of the Labor Safety and Health Act, risk assessment of chemical substances has become mandatory. Our company will provide support to ensure that businesses can proceed smoothly. There are two main methods for conducting risk assessments. One method considers the degree to which the subject poses a danger to workers or has the potential to cause health issues (likelihood of occurrence) and the severity of the danger or health issues (seriousness). The other method takes into account the extent to which workers are exposed to the subject (exposure concentration, etc.) and the degree of harmfulness of the subject. 【Implementation Methods (Excerpt)】 ■ Matrix Method ■ Quantification Method ■ Branching Diagram Method ■ Control Banding ■ Estimation from Disaster Scenarios *For more details, please refer to the related links or feel free to contact us.

• Other services

We would like to introduce the material prototyping we undertake. We prototype metal materials with any component composition, including steel. We can cast ingots in small quantities starting from several tens of kilograms. We perform hot processing such as forging and rolling, as well as heat treatment, to produce materials like plates and round bars. Additionally, we create evaluation test pieces through machining from these materials, and as needed, we conduct metal microstructure observation, mechanical tests, strength evaluations such as fatigue tests, corrosion resistance evaluations like salt spray tests, and measurements of various physical properties. [Features] - Prototyping of metal materials with any component composition, including steel - Casting of ingots in small quantities starting from several tens of kilograms - Implementation of hot processing such as forging and rolling, as well as heat treatment - Conducting corrosion resistance evaluations and measurements of various physical properties *For more details, please refer to the related links or feel free to contact us.

• Prototype Services

We would like to introduce the organic analysis conducted by our company. We perform material analysis using electromagnetic waves, electron beams, heat, and other methods tailored to our customers' analytical purposes, providing valuable information to our clients. Furthermore, we respond to various analytical requests from our customers by proposing and discussing different types of analyses. The target materials include organic substances, inorganic substances, and composite materials. 【Implementation Examples】 ■ Qualitative analysis of foreign substances (FT-IR, Raman, SEM-EDX) ■ Analysis of odor substances (TD-GC/MS) ■ Analysis of oils (FT-IR, Raman, TG/DTA) ■ Analysis of thermal properties of resins (TG/DTA, DSC) *For more details, please refer to the related links or feel free to contact us.

• Contract measurement

An essential understanding of the processes of deformation and fracture in metallic materials requires the visualization of dislocation states. Traditionally, transmission electron microscopy (TEM) has been used to observe dislocations in metallic materials, but in recent years, observations using scanning electron microscopy (SEM) have also been attempted. This time, our company has also become capable of observing dislocations using SEM.

• Contract Analysis

◆The Significance of Measuring Dislocation Density in Materials There are several methods for strengthening metallic materials: 1. Work hardening, 2. Precipitation strengthening, 3. Solid solution strengthening, and 4. Refinement of grain size, all of which enhance strength by suppressing the movement of dislocations. Dislocations are defects that occur within the metal when it is deformed, and their movement within the crystal facilitates further deformation. The factors that inhibit the movement of dislocations for each of the aforementioned strengthening methods are as follows: 1. Increase in the number of dislocations 2. Fine precipitates 3. Strain caused by the mixing of elements of different sizes 4. Increase in the proportion of grain boundaries Therefore, measuring the dislocation density in materials is useful for analyzing material strength.

• Steel

We provide expert analysis and investigation based on reliable analytical and analytical techniques accumulated in various materials fields and challenges from a wide range of industry customers. ■Business Content■ ○Chemical component analysis ○Physical analysis (surface analysis) ○Physical analysis (structural analysis) ○Organic analysis ○Sample preparation ○Disassembly investigation of EV motors; from component extraction to material analysis ○Micro and hardness investigation ○Material analysis ○Environmental measurement and analysis ○Occupational health and safety ○Contract research *If you would like a company brochure, please download the catalog or contact us.

• Public Testing/Laboratory
• Contract measurement
• Other contract services