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@ndtindia-blog
Rebound Hammer Testing
The device consists of a plunger rod and an internal spring loaded steel hammer and a latching mechanism. When the extended plunger rod is pushed against a hard surface, the spring connecting the hammer is stretched and when pushed to an internal limit, the latch is released causing the energy stored in the stretched spring to propel the hammer against the plunger tip. The hammer strikes the shoulder of the plunger rod and rebounds a certain distance.
Core Cutting Test of Concrete
This method covers obtaining, preparing, and testing cores drilled from concrete for length or compressive strength determinations. This test method provides standardized procedures for obtaining and testing specimens to determine the compressive strength of in-place concrete as per the standards of IS: 456.
Visual Inspection
Visual Inspection is one of the most widely used Non-Destructive Testing methods for the detection of discontinuities before they cause major problems, e.g. poor welding, surface defects, corrosion pits, general condition, degradation, blockages and foreign materials.
Non Destructive Testing
Nondestructive testing has been defined as comprising those test methods used to examine an object, material or system without impairing its future usefulness. Nondestructive testing is used to investigate the material integrity of the test object. Non-destructive testing is used to detect abnormalities in physical, chemical or electrical characteristics.
Visual Inspection
Visual Inspection is sometimes carried out in conjunction with devices such as a low power magnifying glass, boroscopes, fiberscopes, digital video borescopes, camera systems and robotic crawler systems. SIGMA TEST & RESEARCH CENTER is expert in providing Non-Destructive Testing and facilitates Visual Inspection.
Ultrasonic Investigation
Ultrasonic testing is completely nondestructive and safe, and it is a well established test method in many basic manufacturing, process, and service industries, especially in applications involving welds and structural metals. SIGMA TEST & RESEARCH CENTER facilitates Ultrasonic Investigation.
Portable Hardness
Hardness is a material's resistance to penetration. In general, an indenter is pressed into the surface of the material to be tested under a specific load for a definite time interval, and a measurement is made of the size or depth of the indentation. Hardness properties include such varied attributes as resistance to abrasives, resistance to plastic deformation, high modulus of elasticity, high yield point, high strength, absence of elastic damping, brittleness or lack of ductility. Some Hardness Testing Methods are : Rockwell Hardness Test Rockwell Superficial Hardness Test Brinell Hardness Test Vickers Hardness Test Mohs Hardness Test
Non Destructive Testing Lab
Nondestructive testing or Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component surface & subsurface without causing damage or effect to their future performance or properties. Non-destructive testing is used to detect abnormalities in physical, chemical or electrical characteristics. STRC's dedicated NDT lab and certified technicians are capable to fulfill your entire industrial and structural requirement.
Rebound Hammer Testing
Rebound hammer test is conducted to find out the compressive strength of concrete by using rebound hammer. The rebound of an elastic mass depends upon the hardness of the surface when it strikes. When the plunger of rebound hammer is pressed against the surface of the concrete, the pring controlled mass rebounds and the extent of such a rebound depends upon the surface hardness of the concrete.
SIGMA TEST & RESEARCH CENTER performs Rebound Hammer Testing.
Dye Penetration
Dye penetration is a non-destructive method which is used to detect surface breaking discontinuities in metals, plastics and ceramics. The test is performed by cleaning the test surface thoroughly and then applying the penetrant followed by the application of developer. The developer assists to draw penetrant out from the surface breaking the discontinuities. The flaws can be recognized regardless of the size, configuration, internal structure and chemical composition of the surface area to be tested. Liquid penetrant can seep into various types of minute surface openings by capillary action. The process is well suited for various types of surface like cracks, laps, porosity, shrinkage areas, lamination and similar discontinuities in castings, forgings and welds.STRC, performs the tests in accordance with the industry standards which is well acknowledged by the users.
SIGMA TEST & RESEARCH CENTER performs Dye Penetration.
Core Cutting Test of Concrete
The strength of concrete measured by tests of cores is affected by the amount and distribution of moisture in the specimen at the time of test. There is no standardprocedure to condition a specimen that will ensure that, at the time of test, it will be in the identical moisture condition as concrete in the structure. The moisture conditioning procedures in this test method are intended to provide reproducible moisture conditions that minimize within laboratory and between laboratory variations and to reduce the effects of moisture introduced during specimen preparation. When cores are obtained from structures, the location of coring is determined based on specific conditions.
SIGMA TEST & RESEARCH CENTER provides Core Cutting Test of Concrete.
Visual Inspection
Visual Inspection is one of the most widely used Non-Destructive Testing methods for the detection of discontinuities before they cause major problems, e.g. poor welding, surface defects, corrosion pits, general condition, degradation, blockages and foreign materials.Visual Inspection means the inspection of equipment and structures using a combination of human senses such as vision, hearing, touch and smell. Visual Inspection is sometimes carried out in conjunction with devices such as a low power magnifying glass, boroscopes, fiberscopes, digital video borescopes, camera systems and robotic crawler systems. SIGMA TEST & RESEARCH CENTER is expert in providing Non-Destructive Testing and facilitates Visual Inspection.
Non Destructive Testing Lab
Nondestructive testing or Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component surface & subsurface without causing damage or effect to their future performance or properties. Non-destructive testing is used to detect abnormalities in physical, chemical or electrical characteristics. STRC's dedicated NDT lab and certified technicians are capable to fulfill your entire industrial and structural requirement.
Portable Hardness
Hardness is a material's resistance to penetration. In general, an indenter is pressed into the surface of the material to be tested under a specific load for a definite time interval, and a measurement is made of the size or depth of the indentation. Hardness properties include such varied attributes as resistance to abrasives, resistance to plastic deformation, high modulus of elasticity, high yield point, high strength, absence of elastic damping, brittleness or lack of ductility. Some Hardness Testing Methods are :
Rockwell Hardness Test Rockwell Superficial Hardness Test Brinell Hardness Test Vickers Hardness Test Mohs Hardness Test
Rebound Hammer Testing
The rebound hammer can provide an estimate of compressive strength of the concrete according to IS:13311 (Part 2). It is a non destructive testing device, which is used on finished concrete structures, such as precast concrete septic tanks. However strict procedures must be followed if the test results are to have any validity. The device consists of a plunger rod and an internal spring loaded steel hammer and a latching mechanism. When the extended plunger rod is pushed against a hard surface, the spring connecting the hammer is stretched and when pushed to an internal limit, the latch is released causing the energy stored in the stretched spring to propel the hammer against the plunger tip. The hammer strikes the shoulder of the plunger rod and rebounds a certain distance.
Portable Hardness
Hardness is a material's resistance to penetration. In general, an indenter is pressed into the surface of the material to be tested under a specific load for a definite time interval, and a measurement is made of the size or depth of the indentation. Hardness properties include such varied attributes as resistance to abrasives, resistance to plastic deformation, high modulus of elasticity, high yield point, high strength, absence of elastic damping, brittleness or lack of ductility. ndtindia.org provides Portable Hardness testing.
VISUAL INSPECTION
Visual Inspection is one of the most widely used Non-Destructive Testing methods for the detection of discontinuities before they cause major problems, e.g. poor welding, surface defects, corrosion pits, general condition, degradation, blockages and foreign materials. Visual Inspection means the inspection of equipment and structures using a combination of human senses such as vision, hearing, touch and smell. Visual Inspection is sometimes carried out in conjunction with devices such as a low power magnifying glass, boroscopes, fiberscopes, digital video borescopes, camera systems and robotic crawler systems.