Hydrogen Content Analyzer Molten Copper

Hydrogen qualitative content analyzer device for molten copper. New series optimized for use with ultrasonic degassing!

Introducing the first hydrogen detection analyser or hydrogen qualitative content analyzer in molten copper optimized for use after ultrasonic degassing. It detects hydrogen levels in copper foundries and casting industries, as high residual hydrogen can result in significant porosity after casting, leading to rejections or the risk of mechanical failure.

The HTA-CU can rapidly, within 5 minutes, complete a qualitative test on hydrogen/gas content status of Cu melt before casting, therefore to decide whether the metal melt is casting ready, reducing casting waste and improving productivity. Works perfectly together with our degassing & refining devices, this model can help produce high-quality casts a fast and high-efficiency way. Despite its sole function of qualitative test, the HTA-CU is of an economical unit with high cost-performance ratio. It is easy to apply to testing, suitable for on-site application of casting factories. By merely examining the concave-convex surface of the tested copper samples, it can be decided whether casting requirements are met.

Our new hydrogen detection analyser is the solution for your copper foundry to effectively and rapidly measure (in 5 minutes) the hydrogen content in copper  melts. It is the best option also during ultrasonic degassing and ultrasonic grain refinement of molten copper.

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Description

The hydrogen detection analyser in molten copper detects the hydrogen content in copper foundries and casting industries, as high residual hydrogen can result in significant porosity after casting, leading to rejections or the risk of mechanical failure.

Our new hydrogen detection analyser for copper melts is the solution for your foundry to effectively determine the quality of the copper melt by means of the reduction pressure test (RPT). It is the best option also during ultrasonic degassing and ultrasonic grain refinement of molten aluminum.

Why is the Hydrogen detection analyser important in a copper foundry or cast house?
Hydrogen forms whenever molten copper comes into contact with water vapour, and easily dissolves into the melt. The gas tends to come out of the solution and forms bubbles when the melt solidifies.
The detrimental effects arising from the presence of an excess of dissolved hydrogen in copper are numerous.

Hydrogen causes porosity in copper products leading to many casting defects, reduced mechanical properties like fatigue and lower corrosion resistance. Several methods are used to reduce the amount of dissolved hydrogen from the melt, such as furnace fluxing prior to the casting process or using in-line degassing equipment during the casting process.

Application

The HTA-CU can rapidly, within 5 minutes, complete a qualitative test on hydrogen/gas content status of Cu melt before casting, therefore to decide whether the metal melt is casting ready, reducing casting waste and improving productivity. Works perfectly together with our degassing & refining devices, this model can help produce high-quality casts a fast and high-efficiency way. Despite its sole function of qualitative test, the HTA-CU is of an economical unit with high cost-performance ratio. It is easy to apply to testing, suitable for on-site application of casting factories. By merely examining the concave-convex surface of the tested copper samples, it can be decided whether casting requirements are met.

Advantages

1. Small in size and easy to move.
2. Light in weight: approximately 27Kg.
3. Easy to use, changing process of tested samples can be observed directly.
4. Fast and convenient detecting, gas status results within 5 minutes and good repeatability.
5. Cart installation ready, more mobility.
6. Low-cost usage and maintenance.

Hydrogen/Gas Detecting Principles

The HTA-CU adopts decompression solidification test methods. During testing, samples solidify in vacuum, hydrogen dissolved in the copper melt will be continuously released and forms bubbles inside or on surface of the tested samples.

By detecting concave-convex level of the surface or gas hole ratio of the cross section, gas volume in copper melt can be determined. Test results decide whether samples are casting ready. Also hydrogen volume can be determined by examining the existence of cauliflower patterns on the metal surface.

Test Methods

  1. Direct observation on the tested metal surface for concave-convex status after cooling.
  2. Concave indicates low gas volume contained and convex indicates otherwise.
  3. Cut tested metal after cooling and observe the cross section for the volume of gas holes.
  4. Less holes indicate low gas volume and more holes indicates otherwise.

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