Introduction
A metallurgical microscope is a microscope designed for the examination of the microstructure of metals, alloys, and other opaque materials, and it is a fundamental tool in metallurgy, materials science, and quality control, used to evaluate the properties and quality of metallic materials. Metallurgical microscopes use reflected light illumination, in which light is directed onto the surface of the specimen through the objective lens and the reflected light forms the image, because the specimens are opaque and cannot be examined with transmitted light; the specimen surface must be prepared by cutting, mounting, grinding, polishing, and etching to reveal the microstructure, and the microscope magnifies the prepared surface so that the examiner can observe features such as grain boundaries, grain size, phases, inclusions, porosity, and the effects of heat treatment and processing. Metallurgical microscopes are available in upright and inverted configurations, with the inverted design convenient for large and heavy specimens, and they are equipped with objectives of various magnifications, adjustable illumination, and in digital models, cameras and image analysis software for quantitative metallography, such as grain size measurement and phase area analysis. They are used in the steel, metal, foundry, automotive, aerospace, and manufacturing industries for quality control, for failure analysis, for research and development of alloys, for examining welds and coatings, and for verifying heat treatment results, in metallurgical laboratories and plants. Features include reflected light illumination, high magnification, and versatile observation modes. With their essential role in examining metallic microstructures, metallurgical microscopes are critical instruments in metallurgy and materials science.
Metallurgical Microscope LMM-T2011
Metallurgical Microscope includes 5W transmitted and reflected illumination with a warm color, Koehler illuminator. It has 5 objectives, providing magnification from 5× to 100× for det...
Metallurgical Microscope LMM-T2010
Metallurgical Microscope is equipped with advanced an infinite optical system, providing 180mm tube length and 45mm parfocal distance. It has a Siedentopf trinocular viewing head, inclin...
Metallurgical microscope LMM-T2010
Metallurgical microscopes is designed to meet performance demands of metal and alloy engineering industry. This metallurgical microscope has siedentopf type trinocular head inclined at 3...
Upright Metallurgical Microscope LMM-T2031
Upright Metallurgical Microscope features a Seidentopf trinocular head, 30° inclined, with a beam-splitting ratio. It includes a motorized sextuple nosepiece, enabling preset objectives...
Upright Metallurgical Microscope LMM-T2030
Upright Metallurgical Microscope incorporates motorized auto-focusing with 0.1μm repeat positioning accuracy for sharp imaging. It provides a 50x to 1000x magnification range, ensuring ...
Upright Metallurgical Microscope LMM-T2021
Upright Metallurgical Microscope has both reflected and transmitted illumination, enabling the study of opaque and transparent materials. It provides a 0° to 35° tiltable trinocular he...
Upright Metallurgical Microscope LMM-T2020
Upright Metallurgical Microscope has reflected illumination for examining opaque samples in metallurgical studies. It provides 50x to 1000x magnification with a super-wide 25 mm field of...
Metallurgical Microscope LMM-T2010
Metallurgical Microscope is specifically designed for industrial purpose. Features superior quality Infinity M Plan HL objective (visible) with long working distance, double layer stage,...
Metallurgical Microscope LMM-T2011
Metallurgical Microscope is specifically designed for research purpose. Features superior quality plan achromatic objective with long working distance, triple layer mechanical stage, Tri...
Upright Metallurgical microscopes LMM-T2011
Upright Metallurgical microscopes with siedentopf trinocular head design, infinite optical system, reflected & transmitted Kohler illumination system meets performance demands of metal, ...
Upright Metallurgical microscopes LMM-T2012
Upright Metallurgical microscopes with siedentopf trinocular head design, infinite optical system, reflected Kohler illumination system meets performance demands of metal, plastic, elect...
Standards
ISO 9345:2019-Microscopes-Interfacing dimensions for imaging components
Complies with the above standards, but is not limited to them.
Features
1. Metallurgical microscope for examining metal microstructure and material surfaces.
2. Upright design with reflected illumination for opaque metal and material samples.
3. Suitable for metallurgy, materials science, quality control, manufacturing and research.
4. Brightfield, darkfield and polarized light for various material observations.
5. Includes objectives, eyepieces, illumination system, stage and imaging capabilities.
FAQ
Q1: What testing scenarios is this microscope mainly applied to?
A: The metallurgical microscope is used in metallurgy, materials science, manufacturing quality control, heat treatment, welding inspection, automotive, aerospace and research laboratories to examine the microstructure, surface condition and defects of metals, alloys and other opaque materials using reflected light. It supports grain size analysis, inclusion rating, phase identification, heat treatment verification, weld inspection, coating examination, failure analysis, surface defect inspection and material characterization. The reflected illumination design is specifically for opaque samples that cannot be viewed with transmitted light biological microscopes. It is essential for metallurgical laboratories, manufacturing quality control, heat treatment facilities, welding inspection and materials research requiring microstructure examination for material quality assessment, heat treatment verification, failure analysis, process control and research, where metallographic examination reveals grain structure, inclusions, phases, defects and surface conditions that determine material properties, performance and quality in metals, alloys, ceramics, semiconductors and other engineering materials.
Q2: What standards does the microscope comply with?
A: The metallurgical microscope complies with relevant ISO and GB/T standards for metallographic microscopes, including ASTM E112 for grain size, ASTM E45 for inclusions, ISO 945 for graphite, and relevant GB/T standards for metallographic examination. The instrument complies with relevant electrical safety standards. Image analysis software may follow applicable standards for grain size and inclusion rating.
Q3: What is the warranty period for the whole machine and key components?
A: The whole microscope is covered by a 12-month warranty. The optical system, objectives, illumination and stage are covered, while bulbs and fuses are consumables excluded from warranty. Damage from improper sample handling, dropping or unauthorized repair is excluded. Extended service contracts are available.
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained metallographers or materials scientists familiar with sample preparation, microscopy and microstructure interpretation. We provide operation manuals, training and application support. Proper sample preparation (cutting, mounting, grinding, polishing, etching), illumination selection and microstructure interpretation are important for quality metallographic examination.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular maintenance required? What is the recommended calibration cycle?
A: Optical surfaces cleaned regularly with appropriate lens paper and solvent. Light source replacement per usage hours. Objective and eyepiece condition verified periodically. Full optical alignment check recommended annually for high-use instruments. Stage and focus mechanism checked periodically. Image analysis calibration with a stage micrometer recommended periodically.
Q7: Are supporting consumables universal?
A: Light bulbs, immersion oil and sample preparation supplies are available from multiple suppliers, though bulb type and objectives should match the specification. Long-term consumable cost is moderate, with light source replacement and sample preparation supplies being recurring items.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes objective set, illumination modes (brightfield, darkfield, polarized, DIC), stage size, camera port, image analysis software and accessories. Additional objectives and accessories can be ordered separately. Custom orders extend delivery lead-time.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes the microscope and accessories with an operation manual. On-site installation, alignment and training are recommended for metallurgical microscopes and can be arranged at additional cost. Remote guidance is provided.
Q10: What types of samples are compatible with this equipment?
A: The metallurgical microscope examines flat, polished metal, alloy, ceramic, semiconductor and other opaque material samples within the stage capacity and working distance. Samples should be properly prepared with a flat, polished surface, and may require etching to reveal microstructure. Large or irregular samples may require an inverted microscope instead. Users should ensure the sample surface is flat and properly polished, select appropriate illumination mode for the feature of interest, use proper magnification for the analysis, calibrate image analysis with a stage micrometer, handle samples carefully, and keep optical surfaces clean for optimal image quality. The upright design accommodates standard-sized metallographic samples but users should verify sample dimensions and weight for the specific stage configuration.
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