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Supplier: Belmont Metals, Inc.
Description: , desulphurizing agents or of similar use in the metallurgy of non ferrous metals. A Master Alloy can be referred to as a “hardener”, “grain refiner” or “modifier”, depending on the application There are several reasons for adding a Master Alloys to a melt, the main
- Function: Alloying - Master Alloy
- Metal / Alloy Types: Copper, Brass or Bronze Alloy
Description: An economical blended alkaline etch. Grain refiners and chelators provide a high level of performance at a reasonable cost. The etch is operated at 4 to 10 oz/gal at 120°F to 150°F for 2 to 10 minutes.
- Type: Cleaner / Cleaning Agent, Etchant / Pickle
- Aqueous / Water-based: Yes
- pH: Alkaline Cleaner (11 to 12.5 pH)
- Temperature (As Used): 120 to 150 F
Supplier: Technic, Inc.
Description: Electrolytic sulfite gold process that produces pure, soft gold deposits. Operates at an acidic pH, making it compatible with almost all photoresists. Elevate Gold 7990 produces a bright deposit without the use of harmful grain refiners like thallium and arsenic. Provides excellent coplanarity
- Chemical / Process: Gold Plating
Supplier: Indium Corporation
Description: for the operation. Grain refiners and leveling agents are present in sufficient quantities to last the life of the bath. The only additive required with an indium plating bath is sulfamic acid when the pH rises above 3.5 and the solution begins to turn milky white. Recovery of the spent plating bath
- Chemical / Process: Other
- Configuration / Form: Liquid / Solution
Supplier: Houghton International, Inc.
Description: Houghto-Etch™ AX-1897 is a low-foaming liquid etch additive for aluminum and aluminum alloys. The product is formulated with chelator and grain refiners for use with dry or liquid caustic etches. The Houghto-Etch AX-1897 caustic etch bath never needs to be dumped if the concentration
- Type: Etchant / Pickle, Surface Treatment
- Features: Carbon Removal
- Industry Applications: Other
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Grain refinement in shape casting of aluminium alloys
Foundrymen rely heavily on the producers and suppliers of grain refiners to supply them with necessary technical information.
Understanding grain refinement in aluminium welding
In this study, grain refinement was achieved in aluminium welds through additions of grain refiner to the weld metal.
Influence of Solute Content and Solidification Parameters on Grain Refinement of Aluminum Weld Metal
In the current study, a filler metal consisting of aluminum base metal and diﬀerent amounts of commercial grain refiner Al Ti5B1 was produced.
Design of an Ideal Grain-Refiner Alloy for Al-7Si Alloy Using Artificial Neural Networks
An ideal grain refiner has been designed for Al-7Si alloy by performing sensitivity analysis of trained artificial neural network (ANN) model.
GRAIN REFINEMENT OF PERMANENT MOLD CAST COPPER BASE ALLOYS
…were studied during this three year project funded by the US Department of Energy and the copper casting industry: • Effect of alloying additions on the grain size of Cu-Zn alloys and their interaction with grain refiners ; • Effect of two…
Effect of Grain Refinement and Cooling Rate on the Microstructure and Mechanical Properties of Secondary Al-Si-Cu Alloys
Metallographic and thermal analysis tech- niques have been used to quantitatively examine the macro- and microstructural changes occurring with grain refiner addition at various cooling rates.
Efficiency of binary and ternary alloys from Al–Ti–B system in grain refining aluminium foundry alloys
While the efficiency increases with increasing B concentration, the mild improvement over a wide range of grain refiner compositions implies that the AlSi7Mg0?3 alloy is not very sensitive to the composition of the ternary Al–Ti–B grain refiners.
Influence Of Ti And B Additions On Grain Size And Weldability Of Aluminium Alloy 6082
Typical grain refiners in aluminium castings are master alloys such as Al Ti5B1 (Al + 5 wt. % Ti + 1 wt. % B) that are added to the melt before pouring .
Performance of AlTi5B1, AlTi3B3 and AlB3 master alloys in refining grain structure of aluminium foundry alloys
The capacity of AlTi5B1, AlTi3B3 and AlB3 grain refiners to refine the grain structures of AlSi7Mg and AlSi11Cu2 foundry alloys was investigated.
Influence of Mg on Grain Refinement of Near Eutectic Al-Si Alloys
Although the grain-refinement practice is well established for wrought Al alloys, in the case of foundry alloys such as near eutectic Al-Si alloys, the underlying mechanisms and the use of grain refiners need better understanding.