应用新型的稀土处理钢用保护渣没有发生拉漏事故，并提高了铸坯表面质量。
Break out accidents have never occurred and surface quality of slabs has been improved since introduction of this new type of mould flux into continuously casting the rare earth treated steel.
总结了碳钢和不锈钢以及铝、锌、铜、镁等金属及其合金稀土钝化处理的国内外研究状况。
The research status worldwide of rare earth passivation treatment of carbon steel and stainless steel, aluminum, zinc, copper, magnesium and its alloy were summarized.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The effect of re modification and heat treatment on impact fatigue property of low chromium cast semi steel was studied by means of impact fatigue test.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
Effects of re modification and heat treatment on carbide morphology and mechanical properties of cast semi steel were studied.
利用冲击疲劳试验，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The effect of re modification on the microstructure and impact toughness of wear resistant white cast iron are investigated.
利用冲击疲劳试验 ，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The effect of SST103 quenching medium on hardness distribution and cracking character of low chromium semi-steel were studied.
利用冲击疲劳试验 ，研究了稀土变质及热处理对低铬半钢抗冲击疲劳性能的影响。
The effect of SST103 quenching medium on hardness distribution and cracking character of low chromium semi-steel were studied.
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