Magnetic habits of alloy steels : J. A. Matthews. (Proc. Amer. Soc. Testing Materials, 1914)
- Publisher
- Elsevier Science
- Year
- 1915
- Tongue
- English
- Weight
- 60 KB
- Volume
- 179
- Category
- Article
- ISSN
- 0016-0032
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✦ Synopsis
April, I915.] AN AMERICAN ENGINEER IN CHINA. 413 create or to permit the creation of public works, they invariably shrink from exercising their powers until, regardless even of Chinese law, they are assured of the support of the local " gentry," a class too frequently controlled by prejudice and quite ignorant of the remedy for their own local troubles of poverty and suffering, even to the extent of frequently-recurring famines. In governmental matters, as in most other things, the Chinaman just reverses usually-accepted standards. He owes his first allegiance to his clan, afterwards to his province, and last to his nation. The consequence is that a government decree may meet with such violent local opposition as to cause its defeat. This is fully realized by high officials and is perhaps the cause for their timidity and reluctance to come to any decision until local approval is assured. After many years of bitter experience the people have no confidence in the officials, who are regarded--and, unfortunately by past experience, with justification--as engaged in enriching themselves at the people's expense. Fear of officials and antipathy to foreigners have made the Chinese very suspicious of all schemes concocted by these two dreaded classes, and has, on one hand, retarded development and, on the other, kept in force the vicious and wasteful method of Chinese concessions. When this barrier is broken down, when foreign political intrigue is eliminated, when a free field is established for industrial development, there will undoubtedly be in China a great opening for the American engineer. Those who, with friendly eyes, have been watching Chinese affairs with hopeful expectation of such development have on many occasions during the past 5o years thought that the moment had arrived, only to find that but a small advance had been made. Again another crisis has arisen in the great war now in progress. If this will jar China loose from some of its shackles, there will be some gain to offset the otherwise appalling loss. Magnetic Habits of Alloy Steels. J.A. ~'~ATTI~EWS. (Proc. Am er. Soc. Testiny Materials, I914.)--The magnetic properties of hardened alloy steels are shown to vary with the physical characteristics of the metal. Alloys hardened by quenching in oil give a lower permeability and residual magnetism but a higher coercive force than those quenched in water. The size of the cross-section of the metal also has an influence, varying according to the hardness of the metal.