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China's earliest tinned iron armor found in Zhejiang: 1,700-year-old anti-rust tech revealed_我的网站

A |      पीटीआई, नई दिल्ली। क्वांटम मशीन लर्निंग में स्वदेशी नवाचार को बढ़ावा देने, आलोचनात्मक सोच को बढ़ावा देने और राष्ट्रीय सुरक्षा एवं रक्षा प्रौद्योगिकी ढांचे को मजबूत करने के लिए अगले महीने दिल्ली में एक राष्ट्रीय स्तर का कार्यक्रम आयोजित किया जाएगा।,

रक्षा और साइबर सुरक्षा खतरों से निपटने पर विचार किया जाएगा

प्रादेशिक सेना 'परिवर्तन का दशक' अभियान के तहत आइआइटी-मद्रास, भारतीय सेना अनुसंधान प्रकोष्ठ और साइबरपीस के सहयोग से इंडियन आर्मी टेरियर साइबर क्वेस्ट 2025 का आयोजन कर रही है। इसमें रक्षा और साइबर सुरक्षा खतरों से निपटने पर विचार किया जाएगा।,

इन क्षेत्रों पर होगी बातचीत

'साइबर क्वेस्ट' आर्टिफिशियल इंटेलीजेंस (एआइ), मशीन लर्निंग (एमएल), क्वांटम कंप्यूटिंग और ड्रोन तकनीक जैसे महत्वपूर्ण क्षेत्रों में नवाचार और सहयोग को बढ़ावा देगा। इस प्रतियोगिता में एआइ और एमएल का उपयोग करके भारत के लिए मजबूत प्रणालियां बनाने की दो प्रमुख चुनौतियां शामिल हैं। यह प्रतिभागियों को राष्ट्रीय सुरक्षा में सीधे योगदान करने के लिए एक मंच प्रदान करती है। रक्षा मंत्रालय ने कहा कि भारतीय सेना की वेबसाइट पर इसका विज्ञापन जारी किया गया है। इस पहल का उद्देश्य आधुनिक रक्षा चुनौतियों का सामना करने के लिए प्रतिभाशाली लोगों को एकजुट करना है।

राष्ट्रीय सुरक्षा और रक्षा प्रौद्योगिकी होगी मजबूत

इसका मकसद क्वांटम मशीन लर्निंग में स्वदेशी नवाचार को बढ़ावा देना, आलोचनात्मक सोच को बढ़ावा देना और समाधान तैयार करना है, जो राष्ट्रीय सुरक्षा और रक्षा प्रौद्योगिकी ढांचे को मजबूत कर सके।-。

B |     

    A number of tinned iron armor plates excavated from the Jizhong site Photo: Courtesy of the Shaoxing Institute of Cultural Relics and ArchaeologyArchaeologists at the Jizhong ruins site in Shaoxing, East China's Zhejiang Province, recently unearthed a large number of tinned iron armor plates and semi-finished pieces dating to the Wu period of the Three Kingdoms (222-280), according to the Shaoxing Institute of Cultural Relics and Archaeology. These discoveries represent the earliest known tinned iron artifacts in China to date, as well as the earliest tinned iron production remains found anywhere in the world, proving that an organized, systematic craft industry for tin-plated ironwork existed at that time.
While China has a long history of making tinned bronze and tinware, there has long been a lack of reliable historical records or physical evidence to prove early local production of tinned iron artifacts. The newly discovered armor plates can fill this gap, demonstrating that, by no later than the Wu period, local craftspeople in Zhejiang Province had mastered the art of tin-plating iron surfaces. This reflects the region's advanced metallurgical skills at that time, Ge Shuaikun, a researcher at the Shaoxing Institute of Cultural Relics and Archaeology, told the Global Times on Tuesday.
Over the last three years, archaeologists working at the Jizhong ruins site have excavated hundreds of tinned iron armor plates from ancient wells and ash pits. A preliminary investigation confirmed that the surfaces of these plates contain high levels of tin. Subsequent laboratory analyses were conducted in collaboration with the Shaoxing's institute and the Institute for Cultural Heritage and History of Science & Technology at the University of Science and Technology Beijing with methods such as Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM-EDS), X-ray Diffraction (XRD), and Micro-CT to deeply examine the samples' materials, structures, and technological traces.
    Photo: Courtesy of the Shaoxing Institute of Cultural Relics and ArchaeologyAccording to Ge, tin is a non-toxic metal with a low melting point, excellent corrosion resistance, and a silvery sheen. Tin plating effectively prevents rust, making iron armor far more durable and indeed, even after being buried for 1,700 years, many of these tinned plates retain their silvery metallic shine.
Research shows that the craftspeople immersed iron armor plates in molten tin, thus ensuring complete coverage of the surface with a continuous tinned layer. This coating isolated the iron from exposure to air and moisture, dramatically boosting corrosion resistance. Many of the excavated tinned armor pieces still show a clear, bright silver-white finish.
One major reason for tin-plating the armor was to prevent rust. At the same time, the silvery white shine of tinned iron offered a more striking, beautiful appearance, standing out from the typical dark iron armor of the era. This visual distinction may have marked these pieces as a higher-grade military asset, according to an article from the University of Science and Technology Beijing's official website.
The article said that in earlier eras, from the pre-Qin to Han dynasties, tin was widely used as a surface coating on bronzeware and ceramics. Researchers believe the tin-plating of iron armor discovered at the Jizhong ruins site during the Wu period of Three Kingdoms built upon this local tin-coating tradition, representing an adaptation of those techniques across different materials. The process likely benefited from technological exchange among various specialized workshops at the site, including those making bronze castings, iron weapons, and other metallurgical products.
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Published on:22:11:32