叶威
物理测试
本文通过研究热处理工艺对金属TiC陶瓷刀具基体3Cr13组织的影响，提出了改善组织韧性的热处理工艺。该工艺下，基体原马氏体组织中沿晶界呈网状分布有脆性碳化物被消除，获得了晶粒细小的全马氏体组织，从而极大地提高了刀具基体的韧性，有效地提高了刀具抗断裂的能力，降低了断刀率。
关键词:
TiC
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Cutter
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Fracture
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Heat treatment
Ruijing ZHANG
,
Ke YANG
,
Tianying XIONG
材料科学技术（英文）
Nano-SiO2 with high activity and mesopores was prepared through sol-gel synthesis followed by low-temperature heat treatment and ball milling firstly in our experiments. TEM was performed to measure particle sizes. Nitrogen adsorption experiments were carried out to estimate specific surface area, p...
关键词:
Heat treatment
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null
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null
,
null
Lugui CHEN
,
Yong LING
,
Xiuhong KANG
,
Lijun XIA
,
Dianzhong LI
材料科学技术（英文）
A large-scale, thin wall duplex stainless steel impeller with complex geometry was deformed severely and unpredictably during casting and heat treatment processes resulted in dimensional failure for the final part. In this paper, the distortion of the impeller during casting and heat treatment was c...
关键词:
Numerical simulation
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null
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null
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null
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null
Wei HAN
金属学报(英文版)
304 stainless steel coating was deposited on the Interstitial-Free steel substrate by cold gas dynamic spraying (CGDS). Three-point bending test of the cold sprayed 304 stainless steel coating was tested by SHIMADZU electro-hydraulic servo-controlled fatigue testing machine and the fracture morpholo...
关键词:
Cold gas dynamic spraying
Zhirong HE
,
Fang WANG
,
Jing'en ZHOU
材料科学技术（英文）
The basic martensitic transformation (MT) properties of Ru50Ta50 alloy, i.e. MT temperature (MTT), temperature hysteresis (ΔT), and MT heat (ΔH) were investigated in this paper. The effects of heat treatment and thermal cycling on MT behavior of Ru50Ta50 alloy, the deformation and microstructure cha...
关键词:
RuTa alloy
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热处理
,
热循环
,
形状记忆合金
,
Ru
A.Wiengmoon
,
T.Chairuangsri
,
N.Chomsang
,
N.Poolthong
,
J.T.H.Pearce
材料科学技术（英文）
Effects of heat treatments on hardness and dry wear properties of a semi-solid processed Fe-26.96 wt pct Cr-2.91 wt pct C cast iron were studied. Heat treatments included tempering at 500℃, destabilisation at 1075℃ and destabilisation at 1075℃ plus tempering at 500℃, all followed by air cooling. Ele...
关键词:
Semi-solid process
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null
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null
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null
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null
王医锋
,
何晓聪
,
曾凯
,
刘福龙
宇航材料工艺
doi:10.3969/j.issn.1007-2330.2015.05.013
通过搭建局部热处理试验装置,对镀锌钢压印接头部位进行火焰淬火处理.然后对试件进行力学性能测试,制备金相试样观察分析经过局部热处理后接头显微组织,并对比热处理前后组织的显微硬度.结果表明:火焰淬火使接头失效时颈部撕裂程度变大;拉剪强度提高16.7%;经过火焰淬火处理接头部位材料组织呈现为板条状马氏体,...
关键词:
压印接头
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热处理
,
拉剪强度
,
显微组织分析
江行国
,
程晓华
,
文华
,
柳永宁
新型炭材料
以固体废弃物兰炭焦末为原料,通过硼( B)掺杂及高温处理制备出改性兰炭粉末材料。研究B掺杂量对其作为锂离子电池负极材料的影响。结果表明,B掺杂质量分数为8%时,经2300益高温处理,兰炭的电化学性能达到最佳,首次脱锂容量为361 mAh/g,在1 C电流密度下经300次循环后,容量为314 mAh/...
关键词:
锂离子电池负极材料
,
石墨
,
兰炭
,
掺杂
,
热处理
