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海军专家研发新型耐火材料 重点装备不再受制于人

2017-04-26 15:07:54   解放军报

杨自春以材料学知识为基础,制定了9类陶瓷材料配方和100多个对比试验方案。材料从送进炉膛预热到烧制成品要一个星期,杨自春和战友们把铺盖卷搬到了实验室。

炉膛内是1000多摄氏度的高温,经过几层隔热后,在外面观察仍有七八十度,像蒸桑拿一样。在这种极其恶劣的试验环境下,他们不间断地观察记录。成品出炉后还要应用测试仪器对各项性能指标逐一进行测试、分析、计算,尔后对材料配方进行修改完善。前后历时一年多,新型陶瓷材料的配方最终得以确定。

配方解决了,工艺怎么办?杨自春创造性地提出“梯度密度”的概念,利用新技术、新工艺,做出的新型耐火陶瓷样品,耐火和隔热性能均有了显著提高。

做出样品,只是万里长征走出第一步。从样品到实装,还需要进行大量的陆上试验。经过反复测试,陆上试验合格。杨自春又马不停蹄地赶往某驱逐舰支队,进行海上性能考核试验。

成功了!那天,在全工况、高负荷测试中,耐火砖“争气”地表现出了优异的物理性能。该成果一举解决了国内数十年未突破的技术难题,并最终在海军舰艇上得到广泛应用。

来不及享受成功的喜悦,杨自春又向“超高温高抗热振耐火材料”这座科技高峰发起了冲锋。前后历经7年,杨自春终于研制出了超高温高抗热振陶瓷材料,这种材料的高温耐压性能比进口材料提高了一倍,价格却只有国外产品的六分之一,更重要的是避免了重点武器装备受制于人。

当一个个“不可能”变为“可能”,杨自春和战友们享受到了由衷的幸福感。

责任编辑:张海潮 CM013
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