Draft:RVactuators
Submission declined on 20 August 2026 by Kovcszaln6 (talk).
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Submission declined on 19 July 2026 by CopyleftEverything (talk). This draft reads like an advertisement. Wikipedia is an encyclopedia, not a platform for promotion or marketing. Drafts that are exclusively promotional may be deleted without notice.
Declined by CopyleftEverything 3 months ago.Wikipedia articles must be written neutrally in a formal, impersonal, and dispassionate way. They should not read like a blog post, advertisement, or fan page. Rewrite the draft to remove:
Instead, only summarize in your own words a range of independent, reliable, published sources that discuss the subject. If you have a conflict of interest (e.g. you are the subject, an employee, or a relative) or are being paid to edit, you must disclose this to comply with Wikipedia's Terms of Use. | |
Submission declined on 28 December 2025 by MelbourneIdentity (talk). This draft reads like an advertisement. Wikipedia is an encyclopedia, not a platform for promotion or marketing. Drafts that are exclusively promotional may be deleted without notice.
Declined by MelbourneIdentity 10 months ago.Wikipedia articles must be written neutrally in a formal, impersonal, and dispassionate way. They should not read like a blog post, advertisement, or fan page. Rewrite the draft to remove:
Instead, only summarize in your own words a range of independent, reliable, published sources that discuss the subject. If you have a conflict of interest (e.g. you are the subject, an employee, or a relative) or are being paid to edit, you must disclose this to comply with Wikipedia's Terms of Use. | |
This draft's references do not show that the subject meets Wikipedia's criteria for inclusion for organizations and companies. The draft requires multiple published secondary sources that:
Declined by MCE89 10 months ago.
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This draft's references do not show that the subject meets Wikipedia's criteria for inclusion for organizations and companies. The draft requires multiple published secondary sources that:
Declined by Bonadea 11 months ago.
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Comment: Needs in-depth coverage in independent, reliable sources. Kovcszaln6 (talk) 14:24, 20 August 2026 (UTC)
- Comment: 1. Please read WP:SOLUTIONS and remove marketing fluff terms. 2. Please read WP:NPOV and rewrite article in neutral & encyclopedic for tone & content. CopyleftEverything (talk) 01:37, 19 July 2026 (UTC)
- Comment: Please note that Wikipedia is not a reliable source and should be removed. MCE89 (talk) 19:25, 15 December 2025 (UTC)
RVactuators
[edit]RVactuators, s.r.o. is a Czech research and development company based in Dolní Břežany that develops microactuators based on the shape memory effect in glass-coated Heusler alloy microwires.[1][2]
History
[edit]The company's legal entity was registered in Prague in December 2021 under the name Puesto Corp s.r.o. In October 2024 the physicist Rastislav Varga, Vladimír Marhefka and Michal Borza became its statutory directors, and in March 2025 the company was renamed RVactuators, s.r.o. and moved its registered seat to Dolní Břežany.[3] Varga is also a co-founder of the Slovak sensor manufacturer RVmagnetics.[4]
Research and Development
[edit]In November 2025 the European Space Agency contracted the company under its Discovery programme for a 19-month early technology development activity titled "Smart Microactuators with Sensing Ability Based on Shape Memory Effect in Heusler Microwires", with a budget of €166,100.[1] According to the activity description, the work aims to establish the durability of NiFeGa glass-coated microwires as an actuator material and to validate their use in actuators able to sense their own actuation through changes in magnetic permeability.[5] The company also carries out a project on shape memory actuators based on Heusler alloy microwires with support from the Deep Tech call of the Czech Operational Programme Technology and Applications for Competitiveness, administered by the Ministry of Industry and Trade.[6][7][8]
Technology
[edit]The actuators are based on the shape memory effect in glass-coated microwires produced by the Taylor–Ulitovsky method. Published research on Ni–Fe–Ga microwires reports a monocrystalline structure along the length of the wire and reversible shape memory straining without prior thermal treatment,[9] while the transformation temperature of Ni2FeGa-based microwires can be adjusted within a range of approximately 100–400 K by varying the valence electron concentration.[10] Related work has examined Fe–Mn–Ga shape memory microwires for combined actuation and sensing.[11]
References
[edit]- 1 2 "Activities Platform - Activity: Smart Microactuators with Sensing Ability Based on Shape Memory Effect in Heusler Microwires".
- ↑ "Top Smart Cities Startups in Eastern Europe · StartupBlink". www.startupblink.com.
- ↑ "ARES". ares.gov.cz.
- ↑ "Company". www.rvmagnetics.com.
- ↑ "Open Space Innovation Platform - OSIP - Idea: Smart MicroActuators with Sensing Ability based on Shape Memory Effect in Heusler MicroWires".
- ↑ https://www.optak.gov.cz/UserFiles/File/1753862338z-pis-z-jedn-n-7-vk-aplikace-v-zva-iii-deep-tech-an.pdf
- ↑ "Podcast Grantuj: RVactuators - The Future of Shape Memory Materials - Case study Aplikace DEEP TECH - Podcast Grantuj". České podcasty. October 3, 2025.
- ↑ "Starfos | SMART actuators based on micro wires from Heusler alloys".
- ↑ Frolova, Lucia; Ryba, Tomas; Diko, Pavel; Kavecansky, Viktor; Milkovic, Ondrej; Dzubinska, Andrea; Reiffers, Marian; Vargova, Zuzana; Varga, Rastislav (November 20, 2018). "Smart Shape Memory Actuator Based on Monocrystalline Ni2FeGa Glass-Coated Microwire". IEEE Transactions on Magnetics. 54 (11): 1–5. doi:10.1109/TMAG.2018.2848670 – via IEEE Xplore.
- ↑ "Transition temperature tuning of Ni2FeGa based Heusler alloys in form of glass-coated microwires - ScienceDirect".
- ↑ https://iopscience.iop.org/article/10.1088/1361-6463/ac2f6b
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