Built for bench‑top material research workflows, this 20A 750V air‑cooled micro‑arc oxidation single‑pulse rectifier outputs precise single‑pulse energy to form robust ceramic coatings on aluminum, magnesium and titanium alloy test coupons inside laboratory environments.
20A 750V Air‑Cooled Micro‑Arc Oxidation Single‑Pulse Rectifier meets high‑voltage pulse power requirements for micro‑arc oxidation lab exploration, where clean pulse edges directly govern ceramic coating consistency and repeatable experimental datasets. In fact, ordinary general‑purpose power hardware cannot deliver the steep pulse transitions demanded by MAO plasma reactions, and they often build up excess heat during extended continuous test cycles. Since micro‑arc oxidation generates high‑voltage instantaneous plasma discharge, reliable air‑cooled heat dissipation becomes essential to hold stable operating temperature and prevent output drift across successive test batches.
Rated for 20A 750V working specification, this 20A 750V air‑cooled micro‑arc oxidation single‑pulse rectifier adopts compact air‑cooled thermal architecture with no need for external water chiller units, and this feature greatly simplifies deployment within space‑constrained laboratory workbenches. Operators tune pulse frequency, duty cycle, current and voltage parameters via local control interface to match distinct alloy substrates and target ceramic coating performance metrics. After equipment wiring and parameter setup, research teams can run repeated MAO processing cycles for small‑sized alloy specimens. Meanwhile, multi‑layer electronic protection responds instantly to over‑voltage, over‑current and short‑circuit risks, and this protective framework safeguards test samples and internal circuit assemblies throughout long‑duration experimental operations.
This 20A 750V air‑cooled micro‑arc oxidation single‑pulse rectifier leverages high‑speed IGBT switching components, and overall unit efficiency maintains above 86% under typical experimental loading conditions. Unlike water‑cooled MAO rectifiers which require matched circulating water infrastructure, its air‑cooled mechanical layout cuts auxiliary hardware expenses; as a result, research groups can launch MAO test campaigns without complex site reconstruction work.
Rapid closed‑loop regulation stabilises pulse output status as ceramic oxide films grow across alloy specimen surfaces. Consequently, treated test pieces exhibit narrower coating thickness deviation and fewer surface defects, and researchers obtain highly comparable experimental results across separate test groups. Moreover, on‑board memory preserves multiple sets of process parameter presets, and operators can recall validated process profiles instantly instead of manual parameter configuration for every new test batch.
Optimised for micro‑arc oxidation laboratory‑grade research scenarios, internal control circuits restrict pulse‑output fluctuation within a tight window across the full adjustment range. Therefore, it supplies consistent driving energy to produce uniform, wear‑resistant ceramic coatings for a wide range of small‑format alloy test workpieces.
| Parameter Category | Specific Item | Specification |
|---|---|---|
| Output Rating | Rated Current | 20A |
| Output Rating | Rated Voltage | 750V |
| Cooling Method | Cooling Type | Air‑Cooled |
| Pulse Feature | Output Mode | Single‑Pulse |
| Control Mode | Operation Mode | Constant Current, Constant Voltage |
| Pulse Setting | Frequency & Duty Cycle | Adjustable |
| Communication Interface | Data Port | RS485 |
| Protection Items | Safety Protection | Over‑voltage, Over‑current, Over‑temperature, Short‑circuit Protection |
| Applicable Samples | Suitable Materials | Aluminum, Magnesium, Titanium Alloys |
The product comes with a one‑year warranty and boasts a service life of over 10 years. It supports both Constant Current and Constant Voltage modes, and it also includes a programmable ramp‑up function for current or voltage settings. For time‑sensitive applications, you can use the timed operation mode. Moreover, the multi‑segment function allows you to vary constant current or voltage levels over time. The device further offers an RS485 communication interface, automatic polarity reversal, and a minute‑level timing function. If you need customization, please contact us for further details.
This 20A 750V air‑cooled micro‑arc oxidation single‑pulse rectifier finds wide application within university material‑science laboratories, surface‑treatment R&D hubs and advanced material process‑development projects. For instance, it completes micro‑arc oxidation treatment for small alloy test coupons to assess ceramic coating hardness, anti‑corrosion and wear‑resistant performance metrics.
Additionally, it acts as dedicated pulse power hardware for investigating plasma electrolytic oxidation technical workflows. Beyond specimen surface treatment, it carries out parameter screening and process feasibility validation, delivering reliable experimental records for academic publications and new‑process specification formulation.
We specialise in manufacturing lab‑optimised micro‑arc oxidation rectifier hardware for demanding material‑surface‑investigation scenarios. Most importantly, every finished unit undergoes full‑load pulse waveform calibration and ageing testing before shipment, securing stable 20A 750V performance through repeated long‑term experimental cycles.
Furthermore, we deliver customisable adjustments for output limits and control functions to satisfy varied laboratory operational requirements. Supported by remote technical guidance and stable spare‑parts supply chains, we deliver trustworthy rectifier solutions for your alloy surface‑modification research projects.
A: Products with the same nominal specifications often serve different industries, and they may carry different detailed parameter requirements. These differences directly affect production costs and technical solutions, so final prices will vary accordingly. For this reason, we recommend you contact us directly to receive a precise and tailored quotation.
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A: We focus on custom non-standard industrial power supplies, so we can fully adjust output current and voltage to match your exact needs. The products shown on our website only represent part of our actual range, as we do not list every model online. If you cannot find your desired specifications, please contact us directly. We will work with you to confirm your exact requirements, or we can guide you to select the most suitable parameters based on your industry standards. We will provide complete technical specifications and dimension drawings so you can fully understand the product.
