Al－Li－Cu－Mg－Zr合金的晶界断裂

本文通过室温拉伸试验，利用扫描电镜和透射电镜研究了Ａｌ－Ｌｉ－Ｃｕ－Ｍｇ－Ｚｒ合金不同时效状态下的拉伸性能和断裂行为。结果表明，该合金的力学性能与主要强化相δ＇（Ａｌ３Ｌｉ）的尺寸有关，其断裂行为决定于位错的共面滑移程度和滑移与晶界沉淀相的交互作用。     

Ti－15－3合金的性能数据

研究了可冷成形的Ｔｉ－１５－３高强钛合金两种时效制度的全面力学性能，为该合金的扩大应用提供了依据。     

Ti－15－3钛合金的成分控制及性能研究EI

研究了铝和氧对Ｔｉ－１５－３钛合金的力学性能和冷成形性能的影响，提出了该合金的成分控制范围，为该合金的工业化稳定生产提供了依据。针对我国的国情，提出了与３０ＣｒＭｎＳｉＡ结构钢等强度的时效制度，并研究了相应的力学性能。     

Ti－15－3钛合金的应用研究

研究了冷加工对Ｔｉ－１５－３合金时效性能的影响，并研究了该合金的冷成形性能及零件制造工艺，为Ｔｉ－１５－３高强钛合金钣金零件的应用提供了经验。     

新型Ti-Cu系抗燃烧钛合金探索研究

研究了Ｔｉ－Ｃｕ系合金的微观组织、工艺特性和常规力学性能，认为该合金系是很有前途的。     

La、RE对Al－Mg－Si合金耐蚀性能的影响

研究了稀土元素Ｌａ和混合稀土对Ａｌ－Ｍｇ－Ｓｉ合金耐蚀性能的影响，测定了合金在３．５％（ｗｔ）ＮａＣｌ溶液和５．０％（ｗｔ）ＨＣｌ溶液中的电化学阻抗谱，并用ＸＰＳ对合金表面的成分进行了分析。结果表明，稀土元素的加入改变了钝化膜的成分，使合金的显微组织更加均匀，从而提高了合金的耐蚀性。     

W—Ni—Cu重合金不平衡凝固与固溶强化

利用电子探针的Ｗ－Ｎｉ－Ｃｕ重合金不平衡凝固与固溶强化进行研究，表明了Ｗ－Ｎｉ－Ｃｕ重合金的断口静貌，微观组织的结构与力学性能，密度有密切关系，阐述了合金断裂的机理，提出了改进合金性能的方法。     

化学镀Ni－Sn－P三元合金的工艺和性能的研究

在确定的化学镀Ｎｉ－Ｓｎ－Ｐ镀液组成的条件下，研究了工艺参数（镀液温度和ｐＨ）对沉积速度和镀层中含锡量及含磷量的影响，并对该合金镀层的结构、孔隙率及耐蚀性能进行了测试。结果表明：在一定的工艺条件下获得的非晶态合金镀层具有较小的孔隙率和良好的耐蚀性能。     

人工神经网络对烧结型Nd－Fe－B永磁合金配方的优化

将人工神经网络方法应用于烧结型Ｎｄ－Ｆｅ－Ｂ永磁合金的配方优化设计。计算表明，适量添加Ｄｙ，Ｖ，Ｔｉ和Ａｌ等元素，能使该合金的磁性能明显提高。这一优化设计方法亦适合于其它合金设计。     

Ti－15－3合金管材的试制及组织性能研究

本文介绍了Ｔｉ－１５－３合金管材的加工工艺及工艺性能，研究了热处理条件对其性能的影响，并分析观察了不同状态下的组织特征。实验中还利用Ｘ射线衍射方法对Ｔｉ－１５－３合金管材的织构类型进行了确定。     

后处理对ZTA5铸造钛合金材料组织及性能的影响

本文对ZTA5铸造钛合金材料在铸造状态和不同后处理状态下的性能和微观组织进行了试验研究.试验结果表明,该合金在铸造状态下,存在一定的铸造残余拉应力,但经热处理或热等静压后,力学性能有所提高,力学性能数据分散度有所降低.     

后处理对ZTA7铸造钛合金材料组织及性能的影响

本文对ZTA7铸造钛合金材料在铸造状态和不同后处理状态下的性能和微观组织进行了试验研究。试验结果表明,该合金在铸造状态下,存在一定的铸造残余拉应力,但经热处理或热等静压后,力学性能有所提高,力学性能数据分散度有所降低。     

双重热处理对ZTC4铸造钛合金材料组织及性能的影响

研究了ZTC4铸造钛合金材料在铸造状态和双重热处理状态下的性能和微观组织。试验结果表明,该合金经双重热处理后,强度、硬度降低,塑性提高,力学性能数据分散度有所降低。     

Characteristics on Bi-Pb Based Alloys Quenched from Melt

Three different bismuth-lead systems namely, Wood's alloy (Bi50Pb25Sn12.5Cd12.5), Newton's alloy (Bi50Pb31.2Sn18.8) and Rose's alloy (Bi50Pb28Sn22), with one used as fusible alloys were quenched from melt by melt spinning technique. Thermal analysis, structure and mechanical properties of all alloys have been studied and analyzed. From X-ray diffraction analysis, an intermetallic compound phase, designated Pb7Bi3 is detected. The formation of an intermetallic compound phase causes a pronounced increase in the electrical resistivity. The Wood's alloy containing-cadmium exhibits mechanical properties superior to both the Newton's and Rose's alloys. The presence of cadmium in Wood's alloy decreases its melting point. Wood's alloy has better properties, which make it useful in various applications such as in protection shields for radiotherapy, locking of mechanical devices and welding at low temperature.     

后处理对ZTC4铸造钛合金材料组织及性能的影响

本文对ZTC4铸造钛合金材料在铸造状态和不同后处理状态下的性能和微观组织进行了试验研究。试验结果表明,该合金在铸造状态下,存在一定的铸造残余拉应力,但经热处理或热等静压后,硬度降低,塑性提高,力学性能数据分散度有所降低。     

Microstructure and Tensile Properties of Spray-deposited IC6 Alloy

The microstructure and mechanical properties of a Ni3Al based Ni-Al-Mo superalloy-IC6 which possesses low impurity content and high density by spray deposition technique have been studied.The results indicate that the IC6 alloy has good tensile strength and elongation both at room and intermediate temperatures     

Ce对铸态5356铝合金组织性能的影响

为探索稀土元素Ce对5356铝合金组织性能的影响,本文采用气泡浮游法,通过添加不同成分微量的稀土元素Ce精炼制备出含Ce不同含量的5356铝合金,通过显微组织观察、室温拉伸试验、密度测试等方法研究了在5356铝合金基体中添加稀土元素Ce对其组织性能的影响.实验结果表明:合金的力学性能及密度随着Ce添加量的增加而得到改善;稀土元素Ce既能够提高合金的抗拉强度、断后伸长率及硬度等力学性能,又能够提高合金的致密度使得铸锭中的气孔或疏松减少;添加Ce质量分数为0.4%时,其力学性能改善效果最佳,抗拉强度达到245.8 MPa,屈服强度为101.24 MPa,断后伸长率增加至29.05%,其密度也达到最大,相对提高了0.67%.     

Effect of internal oxidation on the mechanical properties of a Cu-Co-Si alloy

The mechanical properties of an internally oxidized Cu-Co-Si alloy of wire form was studied by torsional deformation. It is found that as a result of the internal oxidation the ageing heat-treatments lead to the formation of regions with cylindrical symmetry which have significantly different mechanical properties.     

Effect of prestrain on the fatigue properties of Ti834

The effects of cold dwell on titanium alloys have been widely studied in recent years, with many alloys showing detrimental mechanical properties when dwell periods are introduced at peak load. Failures in such situations are often characterised by the formation of quasi-cleavage facets, and models have been suggested to explain the mechanism by which they occur. This paper seeks to investigate how different mechanical test regimes influence facet formation. It is shown in the titanium alloy Ti834 that facet formation occurs readily under stress relaxation and creep loading, but is less influenced by cyclic strain control loading. The implications of this type of strain accumulation process on the mechanical properties of Ti834 are discussed, with close correlation between suggested models and experimental data.