Evaluate various materials and processes to provide highly reliable services!
We specialize in welding and general machining, with a range from nano to millimeter orders, and possess the technology to comprehensively evaluate materials, mechanics, and processes. Specifically, we focus on process control, material structure analysis, and residual stress and deformation analysis, and recently we have been concentrating on "in-situ measurement technology" to track the time-dependent changes in dynamic behavior. We offer residual stress measurement services using "X-ray diffraction method (non-destructive method)" and "stress relaxation method (destructive method)." 【Features of Hashimoto Iron Works】 - Specialized staff well-versed in stress measurement (PhD holders) - Numerous awards for papers and development from academic societies and associations - Ability to evaluate various materials and processes, providing highly reliable services For more details, please contact us or download our catalog.
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【Measurement Method Description】 ○ X-ray Diffraction Method (Non-destructive Method) → Evaluates residual stress using the relationship where the scattering angle 2θ changes as the interatomic distances expand and contract. ○ Stress Relaxation Method (Destructive Method) → Cuts around the strain gauge and evaluates the residual stress before release from the released strain. 【Advantages and Disadvantages of X-ray Diffraction Method】 [Advantages] ○ Although the material is composed of multiple phases, it is possible to separate and evaluate the stress and structure of each phase. ○ Spatial resolution can be arbitrarily selected over a wide range from a few nm to several mm. ○ Internal spaces from a few nm on the surface to several mm inside can be comprehensively evaluated. ○ It can accommodate a wide range of sizes from small test specimens to actual structural components (up to 20 tons), providing high flexibility. ○ It has high temporal resolution, allowing for the evaluation of dynamic behaviors such as rapid heating and cooling as well as impact loads. [Disadvantages] ○ Since it utilizes diffraction phenomena, it cannot be applied to materials without a crystalline structure. ○ Materials containing aggregated structures or coarse grain structures have fewer data points, leading to unstable stress analysis. → If it is a completely aggregated structure or single crystal, a suitable stress model can be used, resulting in stability. ● For more details, please contact us or download the catalog.
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Company information
At Hashimoto Iron Works Co., Ltd., we engage in the development of testing equipment, specialized contract testing, proposal of evaluation methods, machining, welding, and joining. The Hashimoto Iron Works Group has been focusing on strengthening competitiveness based on the three pillars of "growth," "profitability," and "soundness," while also promoting a growth strategy rooted in our own strengths. We will approach the changes brought about by the globalization of the economy and environmental and energy issues as opportunities, aiming for further development from the following two perspectives. First, "further strengthening of manufacturing capabilities." We aim to deepen our manufacturing competitiveness by enhancing our absolute competitive strength in technology and quality, and by innovating manufacturing processes to reduce costs. Second, "strengthening human resource development." We will focus on nurturing human resources that can be entrusted with the new century, achieving further growth and development. Aiming to be "a creative and unique corporate group that contributes to society," we will make tireless efforts to improve technology and quality, striving to become a strong corporate group with greater advantages.